Here's what rhymes with spumellarian.
carrion clarion agrarian ovarian librarian barbarian sectarian sanitarian vulgarian authoritarian antiquarian libertarian vegetarian trinitarian veterinarian nonsectarian seminarian cnidarian humanitarian utilitarian egalitarian proletarian totalitarian octogenarian centenarian nonagenarian communitarian disciplinarian parliamentarian septuagenarian sexagenarian latitudinarian valetudinarian Words that almost rhyme with spumellarian
barium honorarium aquarium chameleon sanitarium planetarium vivarium nobelium lesbian ferryman ferrymen thespian vestrymen vestryman pedestrian equestrian