Here's what rhymes with unless.
less yes press dress guess bless mess chess oppress undress stress assess confess impress suppress recess caress abbess egress success possess nonetheless profess redress repress coalesce depress finesse abs authoress largesse reassess express distress acquiesce transgress nevertheless Words that almost rhyme with unless
rev ref death says fresh breath flesh deaf mesh afresh chef neath refresh cortege lets wrecks refs reps sense sex gets hence sets deaths debts dense rests thence whence checks fence rents tense threats necks nets breaths decks jets pence pets bets flex chefs hex vex steps tests intense cents depths guests helps immense offence breasts lengths offense scarce arrests belts commence convex incense nests sects tents chests desks melts pests temps tenths clefts condense crests elects scents specks steppes upsets vents dents jests pelts perplex rosettes sweats thefts vests vignettes effects events defence defense texts affects accepts connects directs rejects suspense bayonets collects forgets neglects pretense regrets selects attests cadets consents corrects intents invests laments adepts begets cassettes codex ferments infects invents minarets quests resents tempts suggests attempts expense reflects respects prevents requests strengths cigarettes dialects dispense protects suspects epithets recompense commonsense detects intellects alphabets circumflex descents digests parapets quartets silhouettes tempests architects expects manifests bequests intersects sixpence bottlenecks commonwealths extents intercepts multiplex penitents statuettes transepts represents presidents discontents malcontents quadriceps