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