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