| Part of speech | common noun |
|---|---|
| Hyphenation | monstr·o |
| Singular | Plural | |
|---|---|---|
| Nominative | monstro | monstroj |
| Accusative | monstron | monstrojn |
| Afrikaans | monster |
|---|---|
| Catalan | monstre |
| Dutch | gedrocht; monster; ondier; wangedrocht; misbaksel; wanschepsel |
| English | monster |
| Faeroese | skrímsl |
| French | monstre |
| German | Monstrum; Ungeheuer; Ungetüm; Unhold |
| Italian | mostro |
| Latin | belua |
| Papiamento | mònster |
| Portuguese | monstro |
| Saterland Frisian | Monster |
| Spanish | monstruo |
| Swedish | monster; odjur; vidunder |
| West Frisian | meunster |