square off vs tell off

square off

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

  • To increase the boxiness of (a design). 

tell off

verb
  • To rebuke, to reprimand, or to admonish, often in a harsh, angry, direct way. 

  • To count (members of a sequence), to enumerate. 

  • To divide and practise a regiment or company in the several formations, preparatory to marching to the general parade for field exercises. 

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