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