Harnack rhymes with:
charnock, garnock, charnock, dornak, garnock, hornack, hornak, thornock, banach, bembenek, benak, benecke, beneke, brannock, brignac, canonic, canuck, charnock, chinnock, dornak, enoch, eunuch, fanuc, gananoque, garnock, gignac, hanak, hannoch, hornack, hornak, hrivnak, isogenic, janak, jannock, kanak, kinnock, kraynak, laminack, lexiphonic, manak, manternach, pennock, pinnock, rappahannock, rasnake, rusnak, rusnock, sharpnack, stronach, thornock, zanuck, zelenak
Harnack sounds like:
haering, hairiness, harangue, harangues, haring, harm's, harmening, harmes, harming, harmon's, harmonic, harmonica, harmonics, harmonies, harmonious, harmonize, harmonizes, harms, harnage, harness, harnesses, harnisch, harnish, harnois, harring, harrowing, hearing, hearing's, hearings, hearns, heironimus, hering, herman's, hermance, hermanns, hermans, hermes, hermias, hermosa, herms, heroin's, heroines, heron's, herons, herring, herrings, herringshaw, herronimo's, heuring, hiring, hirings, hiromasa, hirons, hormones, hormuz, horn's, hornack, hornak, hornick, hornig, hornik, horning, horns, hornung, hornyak, hronek, hurrying