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