| Part of speech | common noun |
|---|---|
| Hyphenation | tu·mor·o |
| Singular | Plural | |
|---|---|---|
| Nominative | tumoro | tumoroj |
| Accusative | tumoron | tumorojn |
| Afrikaans | gewas |
|---|---|
| Catalan | tumor |
| Dutch | gezwel; tumor; zwelling |
| English | tumour |
| Faeroese | svullur |
| Norwegian | svulst |
| Portuguese | tumor |
| Spanish | tumor |
| West Frisian | tumoar |