Words that almost rhyme with oppressam

lesson lessen oppression resin leaven seven heaven session aggression eleven suppression obsession cession freshen depression impression possession profession compression accession procession regression repression recession digression expression discretion succession concession confession progression secession concretion intercession decompression transgression indiscretion dispossession retrogression

plenum rectum venom harem addendum denim vellum velum seldom welcome septum bedlam cerebellum unwelcome flagellum spectrum momentum referendum antebellum antiserum interregnum