Rhymes with “loudspeaker”
No perfect rhyme exists, but there are 9 near ones. The words people actually use come first.
Slant rhymes
The stressed vowel and the rhythm of the ending line up, the consonants do not. Not a true rhyme, but rap and modern lyrics lean on these constantly.
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A rhyme is not a song yet
The rhythm of the line matters more than the precision of the rhyme: a stock pair gives a beginner away faster than an imperfect one ever will. And once the words are finished, the release still needs cover art.