diphthongise
English
Verb
diphthongise (third-person singular simple present diphthongises, present participle diphthongising, simple past and past participle diphthongised)
- Alternative spelling of diphthongize.
diphthongise (third-person singular simple present diphthongises, present participle diphthongising, simple past and past participle diphthongised)