| Part of speech | common noun |
|---|---|
| Pronunciation | /œʏ̯/ |
| Hyphenation | ui |
| Gender | masculine |
| Plural | uien |
| Afrikaans | ui; ajuin |
|---|---|
| Albanian | qepë |
| Catalan | ceba |
| Czech | cibule kuchyňská |
| Danish | kepaløg |
| English | onion |
| Esperanto | cepo |
| Finnish | sipuli; ruokasipuli |
| French | oignon |
| German | Zwiebel; Zwiebellauch; Bolle; Zipolle; Speisezwiebel; Küchenzwiebel; Gartenzwiebel; Sommerzwiebel; Hauszwiebel; Gemeine Zwiebel |
| Hungarian | vöröshagyma |
| Icelandic | laukur |
| Italian | cipolla |
| Latin | allium; cepa |
| Low German | cipel |
| Malay | bawang |
| Norwegian | vanlig løk; matløk; kepaløk; lauk; vanleg lauk |
| Papiamento | siboyo |
| Polish | cebula zwyczajna; cebula |
| Portuguese | cebola |
| Romanian | ceapă; ceapă de bucătărie; ceapă de grădină |
| Russian | лук репчатый |
| Scots | ingan |
| Scottish Gaelic | uinnean |
| Spanish | cebolla |
| Swahili | kitunguu |
| Swedish | matlök; kepalök; lök |
| Thai | หอมใหญ่ |
| Turkish | soğan |
| Ukrainian | цибуля; цибуля городня |