count off vs tell off

count off

verb
  • To count (a series of numbers) aloud. 

tell off

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

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

  • 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 count off and tell off occurred in a corpus of books? (source: Google Ngram Viewer )