Words that almost rhyme with recessum

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

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