Here's what rhymes with peritoueum.
erratum Words that almost rhyme with peritoueum
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