* πόλεμος (pólemos): This is the most common and general word for war. It refers to a large-scale conflict.
* στρατός (stratós): This word means "army" but is often used in contexts implying war or military conflict.
* μάχη (máche): This word refers to a battle, a specific engagement within a larger war.
So, the best translation depends on the context. For most general uses, πόλεμος (pólemos) is the correct choice.