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