Words That Rhyme With "Protozoans" :
2 syllables:
Boas, bowen, bruins, Bryans, Cohen, cowans, eons, goin', gowans, ions, lions, lowen, Lyons, Mayans, mowen, Noah's, Owens, paeans, peons, poems, rayons, rohan, rowan, rowen, ruins
3 syllables:
Ghanaians, Hawaiians, heroines, jerboas, Koreans, Minoan, Orion's, plebeians, Samoan