| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | amfibia | amfibiaj |
| Accusative | amfibian | amfibiajn |
| Dutch | amfibisch; tweeslachtig |
|---|---|
| English | amphibian; amphibious |
| French | amphibie |
| German | amphibisch; Amphibien‐ |
| Greek | αμφίβιος |
| Portuguese | anfíbio |