Here's what rhymes with seisin.
son sun un fun une shun sion fon cen hun ven one done run none won gun tion ton nun spun bun donne dun pun rien bn fron gon jun tonne tun yean stun naan spline toucan begun overrun undone outdone outrun overdone rerun redone misdone anyone everyone cretonne twentyone Words that almost rhyme with seisin
some sum hung sung thumb um hum zum ung eum sm thrum from come young tongue lung cum dem flung swung comme dumb gum rum dung rung slum slung stung wrung bum comm dum mum même num numb scum tum tung chum kung tem bung swum sebum spume yum among drum clung sprung plum strung succumb plumb crumb overhung trom glum unsung scrum strum rehung become overcome sacrum frustum benumb cerebrum breadcrumb simulacrum candelabrum fustian mullein mustn unlearn puncheon unshorn