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