Leghorn rhymes with:
langhorn, langhorne, langhorn, langhorne, acorn, bralorne, capricorn, colborn, colborne, deerborne, eichorn, hagadorn, halliciforn, hathorn, hawthorne, heckendorn, kempthorne, langhorn, langhorne, newborn, silverthorn, silverthorne, sonneborn
Leghorn sounds like:
lagrone, lazzarini, leckrone, lecrone, legroom, liljegren, lockerman, lockrem, logogram, loughran, lucerne, lugworm, lukewarm