| Lingua Franca Nova | lfn-000 |
| secreta | |
| English | eng-000 | clandestine |
| English | eng-000 | covert |
| English | eng-000 | esoteric |
| English | eng-000 | furtive |
| English | eng-000 | in secret |
| English | eng-000 | secret |
| English | eng-000 | secretly |
| English | eng-000 | stealthily |
| English | eng-000 | stealthy |
| English | eng-000 | surreptitious |