Surmount rhymes with:
amount, mount, mt, account, amount, blount, count, discount, miscount, mount, mt, recount, yount
Surmount sounds like:
sacrament, sacramento, sarant, sarmento, sarmiento, schrandt, scorned, screamed, screened, serenade, serenaded, serenity, serranto, shoehorned, sorento, sorrenti, surmounted, surround, surrounded, swarmed