Hermanns rhymes with:
agans, ameron's, balfanz, chlorofluorocarbons, electrons, enron's, exxon's, freons, futons, icahn's, interferons, invitron's, johanns, leon's, michcon's, milacron's, negatrons, neurons, nissan's, nissans, ormiston's, pobanz, python's, raytheon's, revlon's, tampons, textron's, zircons
Hermanns sounds like:
haering, hairiness, harangue, harangues, haring, harm's, harmening, harmes, harming, harmon's, harmonic, harmonica, harmonics, harmonies, harmonious, harmonize, harmonizes, harms, harnack, harnage, harness, harnesses, harnisch, harnish, harnois, harring, harrowing, hearing, hearing's, hearings, hearns, heironimus, hering, herman's, hermance, 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