KnowraDiphthongLinked fromLinked fromThe 6 pages that link to Diphthong, each with the reason it gives.All 6Broader topic 2Related 1Narrower topic 1Compared with 2Great Vowel ShiftBroader topic: Several long vowels changed into diphthongs, including the predecessors of modern /aɪ/ and /aʊ/.VowelBroader topic: It contrasts with a monophthong, whose quality remains comparatively steady.