Chemical rhymes with:
agrochemical, biochemical, photochemical, agrochemical, biochemical, photochemical, polemical, agrochemical, anatomical, biochemical, domical, photochemical, polemical
Chemical sounds like:
cancel, canchola, cancilla, caniglia, canonical, cencall, chemically, chinchilla, cianciola, cianciolo, cianciulli, cimaglia, comical, comically, commingle, conceal, concisely, congeal, conical, coniglio, conjugal, conjul, conkel, conkle, consciously, consiglio, consol, console, consoli, consolo, consuela, consul, council, counsel, counsell, cynical, cynically