Words that almost rhyme with aggresome

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

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