Here's what rhymes with labum.
Words that almost rhyme with labum
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