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