Like Alliteration, Repeating Vowel Sounds in Words
Puzzle 13 of Animation Pack
Question is: Like Alliteration, Repeating Vowel Sounds in Words
and the answer is: ASSONANCE
Word Meaning:
ASSONANCE — (prosody) The repetition of similar or identical vowel sounds (though with different consonants), usually in literature or poetry.
Definitions from Wiktionary.