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Linguas
==A==
- AbAcadon (Moser) 2010
- Acadon (Moser) 1988
- Adamitik (A. Velics) 1909
- Adam-man Tongue (E. Shaftesbury) 1903
- Adelfenzal
- Adelfiy
- Adjuvanto (L. de Beaufront) 1890
- Adjuvilo (C. Colas) 1908-1910
- Adli
- Afga
- Afrihili (K.A.K. Attobrah) 1973
- Alesi
- Alevato (S.P. Andrews) 1871
- Aligrams (A. Fiumedoro) 1969
- Aliq (R.P.G. Vallaeys) 1930
- Allmiror
- Allteutonic / Allteutonish (E. Molée) 1915
- Altutonish / Allteutonish (E. Molée) 1911
- Altayko
- Altuta (C. Ternest) 1951
- Alwato (S.P. Andrews) 1877
- Americai Speak (R.O. Foulk) 1937
- American (C.L. O'Connor) 1917
- American Cosmo (M. Arnold) 1935
- ' American Language / Germanic English (E. Molée) 1888
- Amiana (P.E. Stojan) Kraguyevats, 1919-1922
- Ande
- Anglic (R.E. Zachrisson) 1930
- Anglido (Raymond) Kalamazoo, Michigan, U.S.A. 1927
- Anglo-franca (P. Hoinix / G.J. Henderson) 1889
- Anglo-german
- Anglo-Lat (R. Montero) 1967
- Anglo-latine
- Anjelika (A. Halliner) 1929
- Antelangua
- Anti-Babilona (H. Magli) 1955
- Antido, I & II (R. de Saussure) 1924
- Anti-Volapük / Mezzofanti-sprache (F. Mill) 1893
- Ao (B. Gordin) 1920
- Ao Reformed (B. Gordin)
- Apolema / Langue Pacifiste (de la Grasserie) 1907
- Arcaicam esperantom (Kalocsay & Halvelik) 1969
- Ardano (Zeinelabidin Elhassi) 2008
- Areidansk (C. Lupini) 1988
- Ariadna / Arling / Esperido de Shmurlo (Shmurlo) 1920
- Ariana (Stojan) St. Petersburg 1912
- Ars signorum / Universal character and Philosophical Language (Dalgarno) 1661
- Arulo / Gloro (Talmey) 1924
- Aryana (Stojan) St. Petersburg 1914
- Aspiranto 1924
- Astegonagraphianek
- Atlango (Antonius) 2002
- aUI (Weilgart) 1973
- Auli / Occidental (von Wahl) 1909
- Auxil (de Belje) Belgica 1957
- Auxilia (Morin) 1947
- Auxilingua (Bowks) 1979
- Avant-projet (Effel) 1968
- Ayola (R. Stimets) 1995
Contents |
B
Edit
- Babm (Okamoto) 1962
- Bahasan (Moser) 1989
- Balaibalan (Mohyieddin) 1500s
- Balta (Dormoy) Francia 1887-1893
- Basic
- Basic English (Ogden) 1932
- Baza / Inter-esperanto (Hoover) 2003
- Berendt (Berendt) 1977
- Bitruscan (Bowks) 1979
- Blaia Zimodal / Blaia zimondel (Meriggi) Italia 1884
- Blissymbolics / Semantography (Bliss) 1949
- Blondel / Langue de Blondel (Blondel) 1910s
- Bolak / Langue Bleue / Lingua Blau (Bollack) 1899
- Bonjang (Medrano) 2003
- Bopal (St. de Max)1887*
CEdit
- Cacone (Sack) 1960
- Carporophilus , Leipzig, Germania 1734
- Casuela (Voirol) Paris, Francia 1922 e Turino, Italia 1927
- Católica / Langue Catholique (Liptay) 1890
- Central Dialekt / West-Europisch (Nilson) Svedia, 1896
- Centralia
- Ceqli (Rex F. May) 19xx
- Chabé-Abane / Langue Naturelle (Maldant) Paris, Francia 1887
- Characteristica universalis
- Choton (Kramm) Nord-Rhine Westphalia, Germania 2004
- Clarison
- Colonial English
- Common Germanic (Johnson) 2002
- Common Writing / Universall (Lodowick) 1647, 1952
- Communia / Myrana (Stempfl) 1894
- Communicationssprache (Schipfer) Wiesbaden, Germania 1839
- Completo 1952
- Compromiss-Sprache
- Comunleng 2000
- Concorde / Concordu (Flaherty-Hall) 1952
- Corintic
- Cosman (Milner) 1927
- Cosmian / Qôsmianî (Beatty) 1928
- Cosmo-English / Cosmos English / World-English (Hamilton) 1911-1939
- Cosmoglossa / Pantos-dimou-glossa / Cosmo-glotta (de Rudelle) 1858, 1959
- Cosmoglotta (Interlingue-Institute) periodico
- Cosmolingvia (Horowicz) Cracovia, Polonia 1927
- Cosmopolita Lingvo (de Saussure) Francia 1913
DEdit
- Dalid (Bowks) 1998
- Dastmen (Juan M. Jiménez Noguera) 1984
- Decimal language (Delormel) Francia 1795
- Dejeru Sapuho / Desa Chat (Davis) 1989
- Delmondo
- Delormel / Langue Universelle Delormel (Delormel) 1795
- Dey Daynd (Guerrero) Barcelona, Espania 1898
- Dialekt Centralia (Nilson) Svedia 1899
- Dil (Fieweger) Breslau, Germania 1893
- Dilpok (Marchand) Francia 1898
- Dolmetscher-Sprache
- Domni (Bond) 1913
- Dousha (Digi-Alchemist) 2002
- Dunia (Ed Robertson) 1996
- Dutalingue (Duthil) 1908
- Dynamic (Molée) Chicago, USA 1921
EEdit
- Edilo (Haugg) Munich, Germania 1909
- Edmond's apriori language (Edmonds) 1856
- Ehmay ghee chah / USL / Universal Second Language (Hankes) 1992
- Eklekta (Jespersen) 1907
- Ekselsioro (Greenwood) London, Britannia 1906
- Ekspreso (Bowks) 1996
- Elpilingue
- English / Standard English as a Global Language
- Eni
- Eo (Stojan) Geneva, Svissa 1926
- Esata (Pafu) 2004
- Esk (Sendahl) 1912-1913
- Esp
- Espéisme
- Esperando (Bowks) 2000
- Esperanta 1924
- Esperantida (de Saussure) Neufchatel, Francia 1919
- Esperantido / Lingvo Esperantida (de Saussure) 1910, 1913, 1919
- Esperanto (Zamenhof) 1887
- Esperanto II (de Saussure) Berne, Switza 1937
- Esperanto de Antido (de Saussure) 1910
- Esperanto moderna 1958
- Esperanto reformita / Esperanto Reformed / Reform Esperanto (Zamenhof) 1894
- Esperanto sen Chapeloj (Couturat) 1906
- Esperanto sen Fleksio (Harrison)
- Esperanto simpligitaj 1925
- Esperantuisho (Zelezny) Checoslovachia 1951
- Esperido (Raymond) 1925, 1927
- Esperilo 1930
- Espido (Pesch) Francia 1923
- Espo (Stojan) Geneva, Svissa 1926
- Espro 1963
- Etem (Yushmanov) 1928
- Eulalia (Skrabek) 1908
- Euphony
- Eurial (Jonsson) 1990
- Euro-Glosa / Glosa (Ashby & Clark) 1981
- Euroglot (Ahlstrôm) Svedia 1957
- Eurolang (Hunt) 1995
- Eurolengo (Jones) 1972
- Eurolingvo / Anglo-Interlingvo (Summers) 1998
- Euronord (Pilgrim) 1965
- Europa Latine (Visser) Amsterdam, Nederlandia 1948
- Europal (Weisbart) Hamburg, Germania 1910, 1912
- Europanto (Marani) 1996
- Europé
- European (Jago) 1955
- European (Foddik) Utrecht, Nederlandia 1931
- Europeano (Bowks) 2000
- Europeo (Bravo del Barrio) Madrid, Espania 1914
- Euscara (Josu Lavin) Vasconia (=Pais Basc)15 Novembre 2006
- Evoluto (Bond)
- Evroptal (Le Masson) Yerres, Francia 199?
- Experimental Ido 1967
- Expreso
- Extra lingua (Miller) 1918
- Eezee (Moyer) 2009
FEdit
- Fasile (Breitenbach) 1974, 2001
- Federal
- Fitusa
- Folkspraak (Courson) 2001
- Fonetiko litera 1904
- Fortschritt (Marold) Berlin, Germania 1949
- Franka
- Fransezein
- Frater (Pham Xuan Thai) 1957
- Frater2 (Bartlett) 1997
- Fraternitat (Monaco) 1912
- Frendo (Churruca) 1966
GEdit
- Gati / Lingua de Gati (Gati) Budapest, Hungaria 1820
- Gavlensografie / Gavlensolalie (von Gablenz) Leipzip, Polonia 1856-1860
- Gerber / Lingua de Gerber (Gerber) 1832
- Gerher / Lingua de Gerher (GerHer) 1790-1832
- Genigrafia
- Geo
- Geoglot (Donoghue) 1916
- Geographische Sprache
- German-English (Molée) Chicago, USA 1888
- Gestuno (World Deaf Congress) 1951, 1973
- Glan-ik (Ware) 1906
- Glix (Young) Boston, USA
- Globaqo / Globago (Russell) 1956
- Gloro / Arulo (Talmey) 1924
- Glosa / Euro-Glosa (Ashby & Clark) 1981
- Glot / Glott
- Grammatica lingue universalis missionum et commerciorum (Labbé) 16??
- Guidareca (Cheshikhin) 1924
- Guosa (Igbineweka) 196?
HEdit
- Halblatein
- Harmonie Universelle (Mersenne) 1636
- Héli's First Project (Hély) Langres, Francia 1905
- Hémi-pasigraphie
- Hesperyo
- Hipersigno
- Hochek / Lingua de Hochek (Hochek) Kromeriz, Tchek 1908
- Homapar (el Gyor) Hungaria 1913
- Hom-Idiomo / Hom Idyomo (Cardenas) 1921, 1924
- Hoy-Koy (Ottander) Svedia 1946, 1947
IEdit
- Iala
- IALA (International Auxiliary Language Association) 1951
- Ialo (Jolin) Doylestown, 1938
- Idéographie
- Idéographie lunaire
- Idido
- Idiom Neutral (Rosenberger) St. Petersburg, Russia 1902-1903
- Idiom Neutral Modifiket (Meysmans) 1909
- Idiom Neutral Reformed (Pinth) 1912
- Idiom Neutral Reformed (Rosenberger & von Wahl) 1907
- Idioma internacional (de la Cruz) Mexico 1945
- Idiome federal / Langue fédérale (Barral) Nice, Francia 1923
- Ido (Couturat & de Beaufront) 1907
- I.D.O. 1928
- Ido avancit (Harding) London, Britannia 1925
- Ido reformate 1966
- Ido novialisat 1928
- Ido Novializat / Ido reformita/ Ido Simpligata (Meazzini) 1928
- Ido reformita (R.G. Kent) 1928
- Ido reformita (Tankerton) 1928
- Ikuso / tinico / tino / fasilinguo / fasilinguico (Alexandre Xavier Casanova Domingo) 2001-2003
- Ile / Ispirantu (Seidel) 1909
- Intal (Weferling) 1956
- Intal II (Weferling) 1964
- Interal
- Inter-esperanto / Baza (Hoover) 2003
- Interglossa (Hogben) 1943
- Interlatino
- Interling / Interling Sistem (Wood) 1959
- Interlingu (Wood) 1929
- Interlingua (International Auxiliary Language Association) 1951
- Interlingua Intercontinental (Gode) 1950's
- Interlingua reformate de Fritzsche (Fritzsche)
- Interlingua Romanica Vide: Romanica
- Interlingua de Peano / Latino sine Flexione (Peano) 1903, 1927
- Interlingua romanisate de Podmele (Podmele)
- Interlingua de Stark / Latino Moderne (Stark) 1996
- Interlingue de Lavagnini (Aldo Lavagnini) 1923
- Interlingue / Italico
- Interlingue / Occidental
- Internacional
- Internasional
- International 1887
- Interpres / Interprète international
- Interprète universel
- InterRoman (Patrick Chevin) 2010
- Intersistemal (Mitrovitch) 1947
- Is -- Interlingua Sistematic (Rossello-Ordines) 1922
- Isotype
- Ispirantu / Ile (Seidel) 1908, 1909
- Italico / Triola 1905-1909
JEdit
KEdit
- Kentung / Monling
- Kokographie
- Konkordia / Konkordio (René de Saussure?) 1911?
- Konkordo (René de Saussure?) 1911
- Kosmal Idioma / Orba (José Guardiola) 1893
- Kosmo
- Kosmolingua
- Kosmos (Lauda) Germania 1844
- Kotava (Staren Fetcey) 1978
LEdit
- Lalortel (N. R. Yetter) 1959
- Langage humain
- Langage instantané
- Langage simplifié
- Lango (Robert Craig & Antony Alexander) 1996
- Lango du Mondo (de Ria) 1788
- Langage Humain (Umano) 1900
- Langue Bleue / Lingua Blau / Bolak (Leon Bollack) 1899
- Langue Catholique / Catolica
- Langue étymologique
- Langue extra-nationale
- Langue facile
- Langue fédérale / Idiome federal
- Langue internationale
- Langue internationale étymologique (Reimann) 1877
- Langue internationale néo-latine
- Langue musicale
- Langue naturelle / Chabé-Abane (Maldant) 1887
- Langue nouvelle (Faiguet)
- Langue Pacifiste / Apolema
- Langue paneuropéenne
- Langue simplifiée
- Langue sacrée
- Langue universelle (Menet) 1886
- Langue universelle de l'humanité
- Langue universelle et analytique (Vidal) 1844
- Langue universelle symbolique
- Languo auxiliara
- Lanopiküro
- Lara (A. Pedicelli) 1991
- Lasonebr (Nilson) 1897
- Lateinischen (Volk / Fuchs) 1883
- Latineo (Jay Bowks) 2000
- Latinesce (George J. Henderson) 1890-1901
- Latinesco (Macmillan) 1930
- Latin-esperanto 1911
- Latini
- Latin-ido 1911
- Latinised English (George J. Henderson) 1901
- Latino Commerciale
- Latino hodierno
- Latino internationale
- Latino macaronico (Teofilo Folengo, Tisi degli Odassi) 1500s
- Latino moderne (INTERLAND) 2001
- Latino Moderne (David Stark) 1996
- Latino sine Flexione / Interlingua (Giuseppe Peano) 1903, 1927
- Latino universale / [[Universal Latein
- Latino Viventi (Fibula) 1925
- Latinised English
- Latin simplifiée
- Latinulus (Vito Martellotta) 1919
- Latinvlo (Paul O. Bartlett) 199?
- Latuna
- Lenga Romance (Danilo Vilicic Alarcón) 1994
- Lengua Catolica
- Lengua Universal (P.L.Martinez) 1852
- Lengua universal y filosófica / Langue universelle (Bonifacio Sotos Ochando) 1852-1855
- Letellier / Langue universelle de Letellier (C. Letellier) 1855-1861
- Liana
- Lincos / Lingua Cosmica (Hans Freudenthal) 1960
- Ling (Anders Olson) Svedia 1943
- Ling du Mond (Consoli) 1925
- Lango
- Lingua (George J. Henderson) 1888
- Lingua catholica
- Lingua de Ria (Ria) 1788
- Lingua European (Bonto van Bijlevelt) 1898
- Lingua filosofica pei dotti
- Lingua filosofico universale
- Lingua Franca Nova (C. George Boeree) 1995
- Lingua Franca Nuova (Bernhard) 1888
- Lingua Franca of the Levant (Mediterranean Coastline) Middle Ages to 19th Cent.
- Lingua Franka
- Lingua geral brazilica (Jesuits, Brazil) 1500s
- Lingua Internacional (Zakrzewski) 1905
- Lingua Internazional (Lott)
- Lingua italiana infinitiva
- Lingua Komun (F. Kurschner) 1900
- Lingua Latina (Classic)
- Lingualumina / Lingua lucida (Frederick William Dyer) 1875
- Lingua Mundi
- Lingua Philosophica
- Lingua Progressiva (der Schatten)
- Lingua rationalis
- Lingua Románica (Eusebes) 1994
- Lingua Slavica Universalis (J. Herkel) 1826
- Lingua universalis
- Lingue international
- Lingu internacional
- Lingu internasionik
- Linguo internationala
- Linguo romane universale
- Lingus european 1907
- Linguum Islianum / Langue Isly (Isly) 1901
- Lingu universal
- Lingva Xronari (Libor Sztemon)
- Lingvo Cosmopolita (René de Saussure) 1913
- Lingvo Internatsia de Antido (René de Saussure) 1912
- Lingvo komona 1923
- Lingvo kosmopolita (René de Saussure) 1912
- Lingvo monde
- Lingw adelfenzal 1911
- Lingwa de Planeta 2010
- Lingwo Internaciona (René de Saussure) 1907
- Lips Kith (Joseph Scarisbrick) 1919
- Loga (Nield) 1926
- Loglan (James Cooke Brown) 1955
- Logo
- Logopandecteison (Thomas Urquhart) 1651, 1653
- Lojban (Logical Language Group) 1987
- Luftlandana
- Lugar
- Lusane (Luis Sainz Lopez-Negrete) 1988
MEdit
- Magistri / Master language (Stephen Chase Houghton) 1907, 1929
- Malfasito
- Mandab
- Meazzinido
- Medial / Medial europan (Josef Weisbart) 1925
- Median
- Medilingua (James Chandler) 2005
- Medio
- Menimo / Mundolingua
- Meo
- Mergan (Jay Bowks) 2000
- Meso (Bond) 1926
- Méthode rapide
- Mezhdunarodny Nauchny Yazyk (Kovalyov) 1911
- Mez-voio (Jamin) 1908
- Mezzofanti-ling
- Mezzofanti-Sprache / Anti-Volapük
- Miografia
- Mittelmachte Esperanto 1916
- Mondea
- Moderna Esperanto / Modern Esperanto
- Molog 1911
- Monario (Aldo Lavagnini) 1925, 1929
- Monda
- Monda Linguo
- Mondal
- Monde
- Mondea
- Modern Esperanto / Moderna Esperanto 1958
- Mondezo
- Mondi
- Mondial (Helge Heimer) 1957
- Mondialo / Nov-Esperanto / Nuv-Esperanto
- Mondik
- Mondi Lingua (Aldo Lavagnini) 1939
- Mondi-Lingue / Mondil
- Mondlango (He Yafu) 2002
- Mondlingu
- Mondlinguo (Aldo Lavagnini) 1936
- Mondlingvo (Trischen) 1906
- Mondlingvo (Josef Weisbart) 1927
- Mondo
- Mondolingue 1888
- Monling / Kentung
- Monoglottica
- Monopanglosse
- Mul: Monosyllabic Universal Language
- Munbab / Munglib
- Mundelingua (J. von Hummler) 1904
- Mundelingua (Julius Lott) 1917
- Mundelingva
- Mundi Latin (Josef Weisbart) 1930
- Mundial
- Mundion (H. Weinreich) 1951
- Mundolinco (J. Braakmann) 1888
- Mundolingua / Menimo
- Mundolingue (Julius Lott) 1889, 1890
- Mundolinguo
- Myezhduslavyansky Yezyk
- Myrana / Communia (J. Stempfl) 1894
NEdit
- Nal Bino
- Natural
- Natural Language
- Natural Mother Tongue
- Natural Universal Language
- Neo (Alfandari) 1961
- Neo-Esperanto 1964
- Neoíspano 1973
- Neo-Latin / Neo-latine (Courtonne) 1875, 1885
- Neo-latino (Lundström) 1928
- Neolatino (Schild)
- Neo Patwa (Jens Wilkinson) 2005
- Neoromano I (Slonimski) 1924
- Neoromano II (Slonimski) 1926
- Neosinografia
- Nepo / Neposlava (Cheshikhin) 1907-15*
- Neue Latin
- Neuslavischen Sprache (Hosek) 1907
- Neu-Esperanto 1912
- Neutral
- Neutral Reformed
- New Chino-Japanese
- Niu Tutonish 1906
- Noématopasigraphilalie
- Nordlinn
- Normlingva Esperanto 1966
- North American (Grevor) 1966
- Nouvelle Langue
- Nova Latina
- Novam (Touflet) 1928
- Nove auxilia
- Nove-latina (Diemen) 1921
- Nov Esperanto / Nuv-Esperanto / Idiomo Mondialo (De Saussure) 1925, 1928, 1932
- Novial (Jespersen)1928-37
- Nov-Ido 1937
- Novilatin (Pigal)
- Novilatiin (Beerman) Germania 1885, 1895
- Novilatin (Beerman) Germania 1907
- Novi Latine 1911
- Nov-Latin (Rosa) 1890
- Nov Latin Logui (Pompiati) 1918
- Novo Romane
- Novum (Moszczynski) 1994
- Numerlingue / Zahlensprache
- Nuove-Roman (Puchner) 1897
- Nuv-Esperanto / Nov-Esperanto / Mondialo 1910, 1925
- Nuvo-Volapük (Kerckhoffs) 1887
OEdit
- Obshcheslavyansky Yazyk
- Occidental / Interlingue (Edgar de Wahl) 1922
- Ofat
- Oïdapa
- Oiropa'pitschn (Adalbert Baumann) 1928
- Olingo (R. Stewart Jaque) 1944
- Om
- Omnez (Bond) 1912
- Omo (V. I. Vengerov) 1926
- Optez (Bond) 1916
- Optoez (Bond) 1921
- Orba / Kosmal Idioma (José Guardiola) 1893
- Orbidaïe
- Oregon
- Ortologia Esperanto
- Ortografia Colateral de Interlingua (IALA) 1951
- Oz
PEdit
- Pacez (Yosio Obana) 1983
- Paleneo (Leslie Charteris) 1972
- Pan-Arisch (P. L. Friedmann) 1908
- Panamane (Manuel E. Amador) 1936
- Panamericano
- Pandunia (Risto Kupsala) 2007
- Panedo
- Pangermanic
- Panglossie
- Panglottia
- Pangraphie
- Panhomel
- Pan-kel (Max Wald) 1906
- Panlingua (Harve) 1938
- Panroman / Unial / Universal Ling (Henrik Molenaar) 1903
- Panskrit 1925
- Pario
- Parla (Spitzer) 1907
- Parlamento
- Pasigraphion
- Pasilalie de Burja (Abel Burja) Berlin, Germania 1808
- Pasilalion und pasigraphion (Mojsije Paic) Paris, Francia 1864
- Pasilingua (Steiner) 1885
- Pasilingua hebraica
- Pasilogia (Edward Groves) 1846
- Pasilogie
- Pasitélégraphie
- Pasographie
- Patoloiglob / Syllabaire Moderne Universelle
- Peace Language
- Perfect 1910
- Perfekt
- Perfektigo de Esperanto 1910
- Perfektlingvo / Perfektsprache (Alois Hartl) 1909
- Perio (Mannus Talundberg) 1904
- Philosophical language
- Phonarithmon
- Phonetic
- Picto (Janson) 1957
- Pikto
- Plibonigita Esperanto 1926
- Pluranto (Cyber-Planet SOFTEX Ltd.) 1997
- Poliespo
- Polygraphia (Athanasius Kircher) 1633
- Popido
- Progres
- Progressiva (M. Suardi) 2003
- Promyetye-Prosvyetityel
QEdit
REdit
- Radioglot (Wikel) 1956
- Real Character and Philosophical Language (John Wilkins) 1668
- Reform (Wood) 1949
- Reform Esperanto 1967
- Reformed Esperanto (Roy McCoy) 199?
- Reform-Espranto 1910
- Reform Esperanto (P.D. Hugon) 1910
- Reform Esperanto (P. Rodet) 1910
- Reformido 19??
- Reformita Esperanto de Antido (René de Saussure) 1917
- Reform Latin / Reformlatein 1902
- Reform Neutral (W. Rosenberger & E. de Wahl) 1907-1912
- Reformed Volapük / Volapük Revised
- Regular English / Nugotic (Elias Molée) Chicago, USA 1893
- Regular Russian
- Relingua
- Renova
- Ro (Edward Powell Foster) 1908
- Romana (Dan Tohatan|D. Tohatan) 2003
- Romanal (Alfred Michaux) 1909, 1912
- Romanés
- Romangle
- Romanica (Josu Lavin) Vasconia (=Pais Basc)15 Maio 2001
- Romanid (Zóltan Magyar) 1958
- Romani universale
- Romanizat (R. Brandt) 1908
- Romano (Slonimski) 1910
- Romanova (David Crandall) 2000
- Rosentalographia
- Ruly English
SEdit
- Safo / Die neue Weltschrift (Andreas Eckardt) 1962
- Salvador (Francisco Gavidia) San Salvador, El Salvador 1909
- SASXSEK (Dana Nutter) 2003
- Scriptura oecumenica
- Semilatin / Semilatino
- Sehlerai
- Semantography / Blissymbolics (Charles Kasiel Bliss) 1949
- Semi-latin 1910
- Sen:espera (Jeffrey Henning)
- Senzar
- Sermo
- Sermo (Jose Soares da Silva) 2003
- Servasprache / Serve (Kuntovsky) 1928
- Simingsound (E. B. Johnston) 1960
- Simplat
- Simplified English (Follick) 1934
- Simplo (Mario Ferranti) 1911
- Sintesal
- Sistemizd English (Fiumedoro) 1969
- Slava Esperanto / Slavina / Slavina Slawsky (Josef Konechný) 1912
- Slovans^tina
- Slovenski
- Slovianski ((Ondrej Rečnik, Gabriela Svoboda, Jan van Steenbergen, Igor Polyakov) 2006
- Slovio (M. Hucko) 1999
- Solresol (Jean François Sudre) 1817
- Soma
- Sona (Kenneth Searight) 1935
- Soundwriting (Bivins) 1960
- Special English (United States Information Agency) 1959
- Spécieuse générale
- Speedwords / World Speedwords (R. J. G. Dutton) 1923
- Spelin (Georg Bauer) 1888
- Spike 1923
- Spiranta 1911
- SPL / simplified Latin (Richardius Dominicus) 1982
- Spokaans
- Spokil (A Nicolas) 1890
- Stipfone
- Stoechiophonie
- Suma (Barnett Russell) USA 1957
- Süümäri 2007
- Syllabaire Moderne Universelle / Patoiglob
- Synthetic English
TEdit
- Tal (A. Hoessrich) 1903
- Telekaba (C. von Pirquet) 1913
- Telluro
- Terminologieschlüßel
- Tersboca
- Texperanto (R. May)
- Timerio
- Toito Spike (E. Molée) Chicago, USA 1923
- Toki Pona (S.E. Kisa) 2001
- Torskript (V.P. Paulsen) 1963
- Translingua (1956)
- Transpiranto (M. Weichert) 1997
- Triola / Italico 1905
- Tutonish / Anglogerman Union Tongue (E. Molée) Chicago, USA 1901, 1902
UEdit
- Ulla (Frederick Greenwood) 1906
- Ultimate language
- Una
- Unesal Interlingu (Weferling) 1923
- Uni (Elisabeth Wainscott) 1975
- Unial / Panroman / Universal
- Uniala (Troost) 1923
- Unilingua 1964
- Unilingue (Aldo Lavagnini) 1924
- Unilo 1961
- Unione
- Union sistem / Langue Fédérale (Barral) 1914
- Unipix (Cindy Drolet) 1982
- Unish (Language Research Institute) 2000
- Uni-spik
- Unita
- Unitario (Mario Pleyer) 1987
- Uniti Langue
- Universal (Zviazku Radzeckim) 1925
- Universal / Panroman (Henrik Molenaar) 1906
- Universala (Eugen Heintzeler) Stuttgart, Germania 1893
- Universal character and Philosophical Language / Ars signorum (George Dalgarno) 1661
- Universal character of Beck (Cave Beck) Britannia 1657
- Universal Eo (René de Saussure) 1912
- Universal-Esperanto 1935
- Universal Glot / Universalglot (Jean Pirro) 1868
- Universal Glot de Schipfer (J. Schipfer) Leipzig 1839
- Universal-Latein / Neu-latein (E. Frandsen) 1902
- Universall or Common Writing (Francis Lodowick) 1647, 1652
- Universal-Sprache
- Universalspraket (K.G.F.Kejhser) Stockholm 1918
- Universel (Decormis) 1948, 1957
- Unolok (Hector Wilshire) Australia 1957
- Uropa (Wordsworth Donisthorpe) Guildford, UK 1913
- Uropi (Joël Landais) 199?
VEdit
- Veltparl (Wilhelm von Arnim) 1896
- Veltpitschn (Adalbert Baumann) 1925
- Veltspik
- Verbesserte Weltsprache Esperanto 1912
- Verbessertes Esperanto 1919
- Verbo Steno (Milles-Puyredon) Bruxelles 1925
- Vest-europish
- Vikto (Bõsz Vilmos) 1981
- Vindiana
- Visona (Alesha Sivartha) Chicago, USA 1887
- Viva (N. Nyesmyeyanov) 1913
- Vling (V. Medrano) 2003
- Voksigid (Bruce R. Gilson, et al.) 199?
- Volapük (J. M. Schleyer) 1879-1880
- Volapük Revised (Arie de Jong) 1931
- Voldu (Stadelmann) Texas, USA 1946
- Völkerverkehrssprache (C. Dietrich) 1902
- Vorlin (Rick Harrison)
- Voxling
- Vseslovanski
WEdit
- Wede / Welt Deutsch (1915) Adalbert Baumann.
- Welt-italienisch Franca (1891) Bernhard.
- Weltdeutsch
- Weltkurz-sprache (1947_ Burian Eugène. Austria.
- Weltlang / World-English (1910) Braendle.
- Welt'pitschn (1925) Adalbert Baumann.
- Weltsprache (1887) Eichhorn.
- Weltsprache de Schipfer (1839) J. Schipfer. Wiesbaden, Germany.
- Weltsprache (1883) A. Volk & R. Fuchs
- Weltsprache Esperanto (1909)
- Weltverkehrssprache (1932) Erwin Ritter. Geneva, Switzerland.
- West-Europisch / Central Dialekt (1896) A. Nilson. Sweden
- Wit-spell / Universal notation (1641) John Johnson.
- World English / Standard English as a Global Language .
- World English (1888) Alexander Melville Bell
- World English / Weltlang Braendle.
- World English / Cosmo-English (1924) James W. Hamilton.
- World Speedwords (1923) Reginald Dutton.
XEdit
YEdit
- Ya-zu / Ya-za Huo (Tsegmedin Bold) 19??
- Ygyde (A. Nowicki & P. Hassel-Zein) 2004
ZEdit
- Zahlensprache (Hilbe) 1901
- Zilengo (Oka) 1889
#Edit
- 353 (Marcelo Martinelli) 2003
- 2004 (Jacques Dehée) 2003
