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