The title bestowed on a female ruler of Hanover is Electress
Emperor is the title given to the ruler of an empire.
A female ruler would be known as a Tsaritsa/Czaritsa, but in English the title is more commonly translated as Tsarina/Czarina. In Russia at least this title would be given to either a female ruler in her own right, or the wife of a Tsar. If the question is about a tsar's daughter, you would call her 'tsarevna'.
pharaoh
Alexander The Great
The Doge was the title given to a Venetian ruler
Olori in Yoruba means "queen" or "wife of a king." It is a title of respect and honor given to the female consort of a traditional ruler in Yoruba culture.
kaiser
In Ancient Egypt, it was PHARAOH. In Modern Egypt, it is PRESIDENT.
king = König
Octavian accepted the title Augustus that could mean majestic one, or exalted one, or revered one. It was a new, unique title the senate gave him and could be translated in different honorable ways.
What was the title of ruler of hyedrabad in 1947
Chinggis Khan aka Genghis Khan