outrhyme
/ˈaʊtˌraɪm/Definitions
1. verb
to have the same rhyme as another word, phrase, or line of poetry.
“The poet tried to outrhyme her rival’s poem, but failed to come up with a matching rhyme.”
2. noun
a word that rhymes with another word, phrase, or line of poetry.
“The poet searched for an outrhyme to complete her poem.”