| Interlingue | ile-000 |
| van | |
| English | eng-000 | fruitless |
| English | eng-000 | futile |
| English | eng-000 | hollow |
| English | eng-000 | idle |
| English | eng-000 | jejune |
| English | eng-000 | needless |
| English | eng-000 | nugatory |
| English | eng-000 | unavailing |
| English | eng-000 | vain |
| Interlingue | ile-000 | futil |
| Interlingue | ile-000 | inan |
| Interlingue | ile-000 | líber |
| Interlingue | ile-000 | ne usat |
| Interlingue | ile-000 | superflú |
| Interlingue | ile-000 | vacui |
| Interlingue | ile-000 | ínfertil |
| Interlingue | ile-000 | ínutil |
| русский | rus-000 | пустой |
| русский | rus-000 | суетный |
| русский | rus-000 | тщетный |