| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | cirkonferenco | cirkonferencoj |
| Accusative | cirkonferencon | cirkonferencojn |
| Danish | omfang |
|---|---|
| Dutch | circumferentie; cirkelomtrek; omtrek |
| English | circumference |
| Faeroese | umhvørvi; ummál |
| German | Kreisumfang |
| Portuguese | círculo |
| Spanish | circunferencia |