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