16-letter words starting with diphthongis
- diphthongisation — The process by which a single vowel sound (monophthong) shifts to a two-vowel vocalization (diphthong).
On this page, we collect all 16-letter words starting with DIPHTHONGIS. It’s easy to find right word with a certain length. It is the easiest way to find 16-letter word that beginning with DIPHTHONGIS to use in Scrabble or Crossword puzzles.