| Part of speech | unknown part of speech |
|---|
| Nominative | atavismo |
|---|---|
| Accusative | atavismon |
| Dutch | atavisme |
|---|---|
| English | atavism; throw‐back |
| French | atavisme |
| German | Ahnenähnlichkeit; Atavismus |
| Hungarian | atavizmus; csökevény |
| Portuguese | atavismo |
| Saterland Frisian | Atavismus |
| Spanish | atavismo |