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