pasha vs sultana

pasha

noun
  • A high-ranking Turkish military officer, especially as a commander or regional governor; the highest honorary title during the Ottoman Empire. 

  • The Indian butterfly Herona marathus, family Nymphalidae. 

sultana

noun
  • A female ruler of a sultanate. 

  • An old form of necklace. 

  • A pale yellow raisin made from a seedless grape. 

  • A type of viol, a cither viol. 

  • A wife or mistress of a sultan. 

How often have the words pasha and sultana occurred in a corpus of books? (source: Google Ngram Viewer )