| Part of speech | common noun |
|---|---|
| Plural | helmets |
| Catalan | casc |
|---|---|
| Dutch | helm |
| English (Old English) | helm |
| Esperanto | kasko |
| Faeroese | hjálmur |
| Finnish | kypärä |
| German | Helm |
| Hungarian | sisak |
| Latin | cassis |
| Papiamento | hèlm; hèlmu |
| Polish | kask |
| Portuguese | capacete; elmo |
| Saterland Frisian | Hälm |
| Spanish | casco |
| Swedish | hjälm |
| Welsh | helm |
| West Frisian | helm |