convent vs institute

convent

noun
  • The buildings and pertaining surroundings in which such a community lives. 

  • A Christian school. 

  • A religious community whose members (especially nuns) live under strict observation of religious rules and self-imposed vows. 

  • A gathering of people lasting several days for the purpose of discussing or working on topics previously selected. 

  • A coming together; a meeting. 

institute

noun
  • The building housing such an institution 

  • An organization founded to promote a cause 

  • The person to whom an estate is first given by destination or limitation. 

  • An institution of learning; a college, especially for technical subjects 

verb
  • To invest with the spiritual charge of a benefice, or the care of souls. 

  • To nominate; to appoint. 

  • To begin or initiate (something); to found. 

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