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