WordNet: diphthongise, diphthongize
change from a simple vowel to a diphthong; "This vowel diphthongized in Germanic"
- hypernym change, shift, switch
- hyponym break
diphthongise
- (suomi) muuttua diftongiksi (synonyymi)
diphthongize
- (englanti) diphthong (derivationally related)
- (suomi) muuttua diftongiksi (synonyymi)