Here's what rhymes with cumbusiness.
diffuseness abstruseness profuseness Words that almost rhyme with cumbusiness
aloofness spruceness smoothness obtuseness rudeness blueness lewdness ulnas units coolness lupus eunuchs newness shrewdness crudeness rootless muteness cuteness lulus glumness useless mucous fruitless mucus prudence ruthless acuteness humus hubris astuteness congruous moonless roofless bootless clueless chukkas tuneups houmous houmus nuisance cubits imprudence impudence fluence toothless tulips absoluteness dissoluteness truants humourless juleps mullets gullets sublets cutups hirsuteness amusements foodstuffs mutants pollutants pursuance tumults avoirdupois caduceus resoluteness coolants duellists intuits quadruplets glamourous manumits bouffants students movements improvements scrofulous exiguous annuitants canoeists irresoluteness jurisprudence persecutions inducements disputants translucence