The term 'American Snake, Venomous' can be summarized by two crossword solutions: COPPERHEAD (10 letters) and MOCCASIN (8 letters). Copperheads are a species of venomous snake found in North America, typically in the eastern and central United States. They are usually identified by their copper-colored head and body markings. Moccasins are also a species of venomous snake found in North America, primarily in the southeastern United States. They are usually identified by their dark brown or black coloration and diamond-shaped markings.