| Esperanto | Deutsch | |
| diftongo | Zwielaut | ✘ |
| ↳ | Doppelvokal | ✘ |
| ↳ | Doppellaut | ✘ |
| ↳ | Diphtong | ✘ |
| ↳ | Diphthong | ✘ |
| triftongo | [Phonetik, Linguistik] Triphtong | ✘ |
| ↳ | Triphthong — Dreilaut | ✘ |
| monoftongo | [Phonetik] Monophtong | ✘ |
| ↳ | [Phonetik] Monophthong | ✘ |
| kreska diftongo | steigender Diphthong | ✘ |
| malkreska diftongo | fallender Diphthong | ✘ |