Morpheme
Vowel
Type
free base
Denotation
sound produced by the vocal cords with relatively little restriction of the oral cavity
Etymology
Middle English vouel; Old French vouel, from voyeul; Latin vōcālis, from vōx + -ālis
Evidence
disemvowel, semivowel, vowel, vowelish, vowelization, vowelize, vowelless, vowellike, vowels, vowely
Notes
<n> does not double because (1) the word is monosyllabic or (2) the stress falls on the first syllable
vowel, vocal, and vocalis are doublets