Touchstone rhymes with:
richstone, blackstone, bloodstone, bluestone, blystone, bridgestone, brookstone, brownstone, capstone, cherrystone, cobblestone, cornerstone, coverstone, curbstone, eyestone, featherstone, finestone, firestone, flagstone, folkstone, freestone, gallstone, gemstone, gladstone, goldstone, gravestone, greenstone, greystone, grindstone, hailstone, headstone, instone, johnstone, keystone, levinstone, lightstone, limestone, livingstone, lodestone, medstone, milestone, millstone, moonstone, poundstone, redstone, rhinestone, richstone, sandstone, silverstone, steppingstone, tombstone, waterstone, weatherstone, wedgestone, whetstone, whitestone, yellowstone
Touchstone sounds like:
tajikistan, taketomi, taxation, techsystem, testimony, teston, thackston, thaxton, tighten, tjaden, touchdown, touchton, tsutomu, tustin