Lactose rhymes with:
galactose, galactose, galactose, alamitos, burritos, cementos, cerritos, galactose, gantos, haritos, kryptos, lantos, maltose, marielitos, miskitos, pothitos, santos
Lactose sounds like:
lacksadaiscious, lactase, lactic, lakatos, lakotas, lakotas', last's, lasts, lawsuit's, lawsuits, lecates, lectec, legates, leistikow, leucadia's, lickteig, liggett's, light's, lighthouse, lighthouses, lights, lightsey, likud's, liquidates, liquidities, liquids, list's, lists, locates, lockets, lockett's, lockheed's, lockouts, lockwood's, locusts, logistic, logistics, logiudice, logothetis, loguidice, loyalists, lustig, luxottica, luxottica's