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