Synonym: duonfilo
| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | vicfilo | vicfiloj |
| Accusative | vicfilon | vicfilojn |
| Catalan | fillastre |
|---|---|
| Dutch | stiefzoon |
| English | step‐son |
| French | beau‐fils |
| German | Stiefsohn |
| Hawaiian | keiki hānai |
| Italian | figliastro |
| Spanish | hijastro |