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