Here's what rhymes with residum.
Words that almost rhyme with residum
sudden erratum button mutton exciton escutcheon dudgeon piton scutcheon nubbin dubbin globin bludgeon glutton unbutton androgen bellybutton humdrum caecum dumdum custom secundum buxom corundum buncombe bunkum accustom cementum jejunum conundrum carborundum colostrum