deal with vs square off

deal with

verb
  • To take action with respect to (someone or something). 

  • To be in charge of, act on, or dispose of. 

  • To behave in a certain way towards. 

  • To consider, as an example. 

  • To handle verbally or in some form of artistic expression; to address or discuss as a subject. 

  • To come to terms with; to overcome any difficulties presented by. 

square off

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

  • To increase the boxiness of (a design). 

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