| Interlingue | ile-000 |
| celat | |
| English | eng-000 | abstruse |
| English | eng-000 | close |
| English | eng-000 | occult |
| English | eng-000 | underhand |
| Interlingue | ile-000 | arcan |
| Interlingue | ile-000 | deshonest |
| Interlingue | ile-000 | furtiv |
| Interlingue | ile-000 | obscur |
| Interlingue | ile-000 | ocult |
| Interlingue | ile-000 | profund |
| Interlingue | ile-000 | secret |