Here's what rhymes with unlesson.
lesson lessen Words that almost rhyme with unlesson
resin leaven seven heaven session aggression eleven oppression cession impression compression accession concession confession regression suppression obsession recession depression possession profession succession procession progression repression secession digression expression discretion intercession transgression decompression indiscretion retrogression dispossession lemon reckon leaden weapon threaten lengthen melon pepsin felon heron question section election mention tension chairman brethren intestine pension congestion erection tendon freshman ingestion dentin headman headmen pectin sexton attention direction collection connection conception infection intention reflection selection suggestion affection convention correction injection invention objection rebellion reception rejection connexion contention retention strengthen complexion digestion inception resection convection ejection inflection ascension declension henchmen reflexion protection exception perception detection dimension inspection perfection prevention projection redemption resurrection suspension deception deflection detention dissection insurrection subjection defection dissension dejection inattention indigestion pretension reelection abstention indirection preemption redirection watermelon extension intervention apprehension intersection recollection exemption imperfection distension distention interception comprehension hypertension contraception introspection misconception predilection condescension contravention disaffection disinfection circumspection disconnection interconnection misapprehension