WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / D / diphthongize diphthongize verb /dɪfθɔŋaɪz/ 3 syllables 12 letters Scrabble 31 WWF 32 Definitions verb change from a simple vowel to a diphthong “This vowel diphthongized in Germanic” diphthongise Look “diphthongize” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →