Charlatan rhymes with:
cosmopolitan, exoskeleton, gelatin, malleton, metropolitain, metropolitan, neapolitan, skeleton, benetton, biotin, cosmopolitan, exoskeleton, gelatin, keratin, labaton, malleton, metropolitain, metropolitan, neapolitan, puritan, sheraton, skeleton, vanbenschoten
Charlatan sounds like:
carleton, carlton, carrollton, charlottetown, charlton, correlation