Employs the same sound at the beginning, middle or end of consecutive words. A repeated consonant is called consonance; repeated letters at the beginning of consecutive words are alliteration. A repeated vowel sound is assonance. You don’t have to repeat the sound just at the beginning of a word. A Sound Repeater helps you maximize sound-symbolic letters in descriptions. I count rhyming as the ultimate Sound Repeater, since it repeats ultimate (last) sounds.
Double your pleasure, double your fun. Wrigley's gum commercial
There’s horse thieves and heroes in everybody’s line. Genealogist Chip Hughes in Slate
A slippery, sly, smarmy pseudo-friend. Word Hero