Assertion: diphthong | /r/CapableOf | begin with one vowel
Facets:
Source sentences:
text: A diphthong is a complex speech sound or glide that begins with one vowel and gradually changes to another vowel within the same syllable.
text: Diphthongs in Arabic are special category of vowels because, in essence, they’re monosyllabic sounds that begin with one vowel and glide into another vowel.