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