| català | cat-000 |
| idempotent | |
| Deutsch | deu-000 | idempotent |
| English | eng-000 | idempotent |
| Esperanto | epo-000 | kvadrategala |
| íslenska | isl-000 | sjálfvalda |
| slovenčina | slk-000 | idempotent |
| slovenčina | slk-000 | idempotenčný |
| español | spa-000 | idempotente |
| svenska | swe-000 | idempotent |