RhymeHelp.com

an online rhyming dictionary  /raɪm//ˈhɛlp/(/R AY1 M//HH EH1 L P/)

Matched by real pronunciation, not just spelling.

levamisole

/L AH0 V AE1 M IH0 S OW2 L/

Perfect rhymes

3 syllables

Near rhymes