behave vs chaperon

behave

verb
  • To conduct (oneself) well, or in a given way. 

  • To act in a polite or proper way. 

  • To act, conduct oneself in a specific manner; used with an adverbial of manner. 

chaperon

verb
  • To accompany; to escort. 

  • To mother. 

noun
  • A device placed on the foreheads of horses which draw the hearse in pompous funerals. 

  • An adult who accompanies or supervises one or more young, unmarried men or women during social occasions, usually with the specific intent of preventing some types of social or sexual interactions or illegal behavior. 

  • A type of hood, often ornamental or official, with an attached cape and a tail, later worn as a hat with the face hole put over the top of the head instead. 

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