enroll vs score off

enroll

verb
  • To enlist oneself (in something) or become a member (of something) 

  • To enter (a name, etc.) in a register, roll or list 

  • To enlist (someone) or make (someone) a member of 

score off

verb
  • To defeat (especially in an argument), get the better of, achieve a success over, gain an advantage or win points over, make a point to the detriment or at the expense of, make appear foolish. Sometimes with particle on (someone). 

  • Used other than figuratively or idiomatically: see score, off. To score from. 

  • To delete or remove (especially from a list); to score out, strike out or strike off, cross out or cross off; to draw a line through. 

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