A, E, I, O or U (5)
I believe the answer is:
vowel
(Other definitions for vowel that I've seen before include "Letter such as i or u" , "A or e, say" , "Open sound in speech" , "O for one" , "Non-consonant" .)
I believe the answer is:
vowel
(Other definitions for vowel that I've seen before include "Letter such as i or u" , "A or e, say" , "Open sound in speech" , "O for one" , "Non-consonant" .)