circulate vs move in a circle

circulate

verb
  • Of decimals: to repeat. 

  • to move in circles or through a circuit 

  • to cause (a person or thing) to move in circles or through a circuit 

  • to become widely known 

  • to move from person to person, as at a party 

  • to spread or disseminate 

move in a circle

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