Colborn rhymes with:
colborne, colborne, colborne, colborne, deerborne, newborn, sonneborn, acorn, bralorne, capricorn, colborne, deerborne, eichorn, hagadorn, halliciforn, hathorn, hawthorne, heckendorn, kempthorne, langhorn, langhorne, leghorn, newborn, silverthorn, silverthorne, sonneborn
Colborn sounds like:
california, californian, claborn, claiborn, claiborne, clayborn, clayborne, claybourne, clayburn, cliburn, clyburn, colbern, colborne, colburn, coliform