sarai vs seraglio

sarai

noun
  • A caravanserai. 

seraglio

noun
  • A brothel or place of debauchery. 

  • The sequestered living quarters used by wives and concubines (odalisques) in a Turkish Muslim household. 

  • The palace of the Grand Seignior in Constantinople. 

  • An interior cage or enclosed courtyard for keeping wild beasts. 

  • A palace of a sultan. 

  • A profligate or decadent residence of a rich person. 

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