Ancient Egypt

Yes. The rulers of ancient Egypt were kings, whether they were men or women. There was only one ruler at a time. In ancient Egypt, if you were speaking to the king, you would say Pharaoh. If you were an ancient Egyptian, speaking about the current king, you would say Pharaoh. If speaking about a time in the past, whether you were an ancient Egyptian or a modern historian, you would refer to the pharaoh at that time by his or her name, preferenced by the word "king". Example: King Menes was a pharaoh of ancient Egypt. Egyptian Pharaohs (Kings): Rulers of the Ancient World