square off vs vie

square off

verb
  • To get ready for a confrontation (debate, argument, fight). 

  • To increase the boxiness of (a design). 

vie

verb
  • To fight for superiority; to contend; to compete eagerly so as to gain something. 

  • To stake a sum of money upon a hand of cards, as in the old game of gleek. See revie. 

  • To do or produce in emulation, competition, or rivalry; to put in competition; to bandy. 

  • To stake; to wager. 

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