Here's what rhymes with countness.
Words that almost rhyme with countness
soundness roundness unsoundness profoundness countless countess bounteous outface doubtless aureus loudness ous foulness stoutness boundless accountants cloudless groundless groundnuts soundless devoutness mountebanks roundups brownness viscountess owlets prowess allowance announcements leprous thousandths endowments denouncements pronouncements