- diphthongises
- diphthongise (Brit.) v. (Grammar) change from a simple vowel to a diphthong (also diphthongize)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Germanic strong verb — In the Germanic languages, a strong verb is one which marks its past tense by means of ablaut. In English, these are verbs like sing, sang, sung. The term strong verb is a translation of German starkes Verb , which was coined by the linguist… … Wikipedia