| 普通话 | cmn-000 |
| 双重元音 | |
| Deutsch | deu-000 | Diphthong |
| ελληνικά | ell-000 | δίφθογγος |
| English | eng-000 | diphthong |
| English | eng-000 | gliding vowel |
| français | fra-000 | diphtongue |
| íslenska | isl-000 | tvíhljóð |
| íslenska | isl-000 | tvíhljóði |
| italiano | ita-000 | dittongo |
| 日本語 | jpn-000 | 二重母音 |
| Nederlands | nld-000 | diftong |
| Nederlands | nld-000 | tweeklank |
| português | por-000 | ditongo |
| русский | rus-000 | дифтонг |
| davvisámegiella | sme-000 | diftoŋga |
| español | spa-000 | diptongo |
| svenska | swe-000 | diftong |