| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | altruisma | altruismaj |
| Accusative | altruisman | altruismajn |
| Dutch | altruïstisch; onbaatzuchtig; onzelfzuchtig |
|---|---|
| English | altruistic |
| German | altruistisch; selbstlos; uneigennützig |
| Hungarian | altruista |
| Saterland Frisian | altruistisk |