behave vs forage

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. 

forage

verb
  • To rampage through, gathering and destroying as one goes. 

  • To rummage. 

  • Of an animal: to seek out and eat food. 

  • To search for and gather food for animals, particularly cattle and horses. 

noun
  • Fodder for animals, especially cattle and horses. 

  • An act or instance of foraging. 

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