| Part of speech | common noun |
|---|---|
| Hyphenation | fre·nez·ul·o |
| Singular | Plural | |
|---|---|---|
| Nominative | frenezulo | frenezuloj |
| Accusative | frenezulon | frenezulojn |
| Dutch | bezetene; gek; krankzinnige; zot; gekkerd; waanzinnige |
|---|---|
| English | lunatic; madman; nut‐case; nutter |
| French | aliéné |
| German | Wahnsinniger; Verrückter |
| Italian | pazzo |
| Latin | cerebrosus |
| Polish | szaleniec |
| Portuguese | louco |
| Saterland Frisian | Maale |
| Sranan | lawman |
| Swedish | dåre; galning; stolle |
| West Frisian | gek; healwiis |