| Interlingua |  | Constructed | Interlingua | ia | ina | ina | ina | constructed by International Auxiliary Language Association | 
          
                | Interlingue |  | Constructed | Originally called Occidental; then Interlingue after WWII | ie | ile | ile | ile | constructed by Edgar de Wahl; first published in 1922 | 
          
                | Ido |  | Constructed | Ido | io | ido | ido | ido | constructed by De Beaufront; 1907; as variation of Esperanto | 
          
                | Esperanto |  | Constructed | Esperanto | eo | epo | epo | epo | constructed; initiated from L.L. Zamenhof; 1887 | 
          
                | Volapük |  | Constructed | Volapük | vo | vol | vol | vol | constructed | 
          
                | Haitian | Haitian Creole | Creole | Kreyòl ayisyen | ht | hat | hat | hat |  | 
          
                | Bislama |  | Creole | Bislama | bi | bis | bis | bis | Language formed from English and Ni-Vanuatu; with some French influence. | 
          
                | Sango |  | Creole | yângâ tî sängö | sg | sag | sag | sag |  | 
          
                | Navajo | Navaho | Dené–Yeniseian | Diné bizaad | nv | nav | nav | nav |  | 
          
                | Kannada |  | Dravidian | ಕನ್ನಡ | kn | kan | kan | kan |  |