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