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