Synonyms to heptachord

harp, French harp, Irish harp, aeolian harp, cithara, clarsach, dulcimer, harmonica, harmonicon, hexachord, kazoo, langspiel, lyre, mouth bow, mouth harp, mouth organ, polychord, symphonia, zither, septet, Heptateuch, Spenserian stanza, antistrophe, bipartisanship, book, burden, canto, chorus, coaction, coadjuvancy, coadministration, coagency, cochairmanship, codirectorship, collaboration, collaborativeness, collectivism, collusion, commensalism, common effort, common enterprise, communalism, communism, communitarianism, community, complicity, concert, concord, concordance, concurrence, cooperation, cooperativeness, couplet, distich, duet, duettino, duo, duumvirate, ecumenicalism, ecumenicism, ecumenism, ensemble music, ensemble singing, envoi, epode, esprit, esprit de corps, fellow feeling, fellowship, harmony, heptad, heptagon, heptahedron, heptameter, heptarchy, heptastich, hexastich, joining of forces, joint effort, joint operation, line, mass action, measure, monostich, morale, mutual assistance, mutualism, mutuality, octastich, octave, octet, ottava rima, part music, part