Synonym: tweeklank
| Part of speech | common noun |
|---|---|
| Pronunciation | /ˈdɪftɔŋ/ |
| Hyphenation | dif·tong |
| Plural | diftongen |
| Catalan | diftong |
|---|---|
| English | diphthong |
| Esperanto | diftongo |
| German | Diphthong |
| Hungarian | diftongus |
| Low German | diftong |
| Papiamento | diptongo |
| Portuguese | ditongo |
| Spanish | diptongo |
| Swedish | tveljud |
| Welsh | deusain; dipton |