What is another word for diphthongize?
Pronunciation: [dˈɪfθəŋɡˌa͡ɪz] (IPA) 
Diphthongize is a term used in linguistics to describe a sound change that occurs when a single vowel sound becomes a diphthong by adding a second sound to its pronunciation. Synonyms for diphthongize include "vocalize," "supplant," "modify," "alter," "convert," "reformulate," "rephrase," "reword," "reshape," and "revamp." These synonyms indicate the various ways in which a sound can be changed to form a diphthong, either by adding a second vowel sound, or by changing the quality of the original vowel sound. Diphthongization is an important linguistic phenomenon that helps to create the rich diversity of sounds found in human languages around the world.
