| Part of speech | unknown part of speech |
|---|
| Nominative | heliumo |
|---|---|
| Accusative | heliumon |
| Catalan | heli |
|---|---|
| Czech | helium; hélium |
| Dutch | helium |
| English | helium |
| French | hélium |
| German | Helium |
| Italian | elio |
| Papiamento | helium |
| Saterland Frisian | Helium |
| Spanish | helio |
| Sranan | helimi |