| Sambahsa-mundialect | art-288 |
| observe | |
| Lingwa de Planeta | art-287 | merki |
| Lingwa de Planeta | art-287 | observi |
| Sambahsa-mundialect | art-288 | kau |
| Deutsch | deu-000 | bemerken |
| Deutsch | deu-000 | merken |
| English | eng-000 | notice |
| English | eng-000 | observe |
| Esperanto | epo-000 | observi |
| Esperanto | epo-000 | rimarki |
| français | fra-000 | observer |
| Nederlands | nld-000 | bemerken |
| Nederlands | nld-000 | merken |
| Nederlands | nld-000 | waarnemen |
| Novial | nov-000 | observa |
| русский | rus-000 | замечать |
| русский | rus-000 | наблюдать |
| español | spa-000 | observar |