| Novial | nov-000 |
| projete | |
| Lingwa de Planeta | art-287 | proyekta |
| Sambahsa-mundialect | art-288 | project |
| English | eng-000 | project |
| English | eng-000 | undertaking |
| English | eng-000 | venture |
| Esperanto | epo-000 | projekto |
| Nederlands | nld-000 | ontwerp |
| Nederlands | nld-000 | project |
| русский | rus-000 | проект |