Acoustic rhymes with:
agnostic, altruistic, anachronistic, antagonistic, antiballistic, artistic, atavistic, atheistic, autistic, ballistic, bombastic, bostic, bostick, capitalistic, caustic, characteristic, chauvinistic, christic, coloristic, cystic, deterministic, diagnostic, domestic, drastic, drumstick, dualistic, dynastic, ecclesiastic, elastic, enthusiastic, euphemistic, evangelistic, expressionistic, fantastic, fantastik, fatalistic, feudalistic, futuristic, gymnastic, haverstick, hedonistic, hellenistic, heuristic, holistic, humanistic, iconoclastic, idealistic, imperialistic, impressionistic, individualistic, inelastic, interscholastic, jelisic, jingoistic, journalistic, kostic, kostick, legalistic, linguistic, logistic, majestic, masochistic, materialistic, mechanistic, militaristic, mistic, monastic, monopolistic, moralistic, mostek, mystic, narcissistic, nationalistic, naturalistic, novelistic, oligopolistic, onomastic, opportunistic, optimistic, pantheistic, paternalistic, patristic, pessimistic, plastic, pluralistic, polytheistic, primitivistic, propagandistic, pugilistic, puristic, realistic, reifsteck, relativistic, ritualistic, rustic, sadistic, sarcastic, scholastic, sensationalistic, simplistic, sistek, socialistic, stalinistic, statistic, stochastic, stylistic, supercalifragilistic, surrealistic, synergistic, terroristic, thermoplastic, uncharacteristic, unenthusiastic, unrealistic, voyeuristic
Acoustic sounds like:
accedes, acetic, achatz, acidic, acidosis, acids, acoustics, acquits, act's, acts, actus, aesthete's, aesthetes, aesthetic, aesthetics, agates, akita's, aquatic, ascetic, ashtec, ashtec's, asiatic, asides, assad's, assets, assets', assiduous, assists, associate's, associates, associates', august's, augusta's, augustus, auschwitz, azides, aztec, azteca, aztecs