Interlinguae
| ISO 639-3 | Year of publ. | More | Language | Plural |
|---|---|---|---|---|
| epo | 1887 | Esperanto (Zamenhof) | lingvo | j |
| - | 1894 | Reformed Esperanto (Zamenhof) | lingvo | i |
| 1902 | Idiom Neutral | idiom | i | |
| 1903 | Interlingua (Peano) - Latino sine flexione | lingua | (s) | |
| ido | 1907 | Ido | linguo | i |
| 1912 | Romanal | |||
| ile | 1922 | Interlingue/Occidental | lingue | s/es |
| 1926? | Interlingua systematic (J. Rosselló-Ordines) | lingua | ||
| nov | 1928 | Novial | lingue | s/es |
| 1929 | Interling/Interlingu (Thomas Wood) | ling | ||
| igs | 1943 | Interglossa | glossa | - |
| ina | 1951 | Interlingua (IALA) | lingua | s/es |
| - | 1991 | Romániço | linguo | s |
| lfn | 1998 | Lingua Franca Nova | lingua | s/es |
| rmv | 2000 | Romanova | lingua | s/es |
| Unitario: https://www.facebook.com/groups/236049679875635/ | ||||
| 2016 | Inter linguo https://sites.google.com/site/interlinguo2016/ | linguo | s |