Table of Contents
Antonyms
Synonyms
Etymology
1. diphthongize
verb. change from a simple vowel to a diphthong.
Antonyms
Synonyms
Etymology
- diphthongize (English)
- -ize (English)
- -isen (Middle English (1100-1500))
- diphthong (English)
- diphtongue (French)