Langhorne rhymes with:
langhorn, langhorn, langhorn, langhorn, leghorn, acorn, bralorne, capricorn, colborn, colborne, deerborne, eichorn, hagadorn, halliciforn, hathorn, hawthorne, heckendorn, kempthorne, langhorn, leghorn, newborn, silverthorn, silverthorne, sonneborn
Langhorne sounds like:
langerman, langhorn, lohengrin, longhorn, longshoremen, lunchroom, lungren