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