The word "stonest" is an archaic form of the word "stones," which means small pieces of rock. Synonyms for "stones" include pebbles, boulders, rocks, cobbles, gravel, and scree. Pebbles are small round stones that can be found on beaches or riverbeds, whereas boulders are large, heavy stones often used for landscaping or construction. Rocks refer to larger stones that can be found in nature, and cobbles are rounded stones used for paving or as decorative features. Gravel refers to small stones used for driveways or landscaping, and scree is a term used for loose stones found in mountainous regions. All these words are convenient alternatives when talking about stones.