KnowraDiphthongLinked fromLinked fromThe 6 pages that link to Diphthong, each with the reason it gives.All 6Broader topic 2Related 1Narrower topic 1Compared with 2MonophthongizationCompared with: It is the moving vowel quality that monophthongization reduces.Silent letterCompared with: Two written vowels can represent one moving sound rather than include a silent letter.