Redstone rhymes with:
headstone, medstone, bloodstone, gladstone, goldstone, grindstone, headstone, lodestone, medstone, poundstone, sandstone
Redstone sounds like:
rededication, reduction, reeducation, rootstein, rothstein, rutstein
headstone, medstone, bloodstone, gladstone, goldstone, grindstone, headstone, lodestone, medstone, poundstone, sandstone
rededication, reduction, reeducation, rootstein, rothstein, rutstein