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