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