| Interlingue | ile-000 |
| contestar | |
| English | eng-000 | challenge |
| English | eng-000 | gainsay |
| English | eng-000 | impugn |
| English | eng-000 | query |
| Interlingue | ile-000 | ataccar |
| Interlingue | ile-000 | contradir |
| Interlingue | ile-000 | defiar |
| Interlingue | ile-000 | negar |
| Interlingue | ile-000 | questionar |
| русский | rus-000 | оспаривать |