enroll vs remove

enroll

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

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

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

remove

verb
  • To dismiss or discharge from office. 

  • To discard, set aside, especially something abstract (a thought, feeling, etc.). 

  • To murder. 

  • To move something or someone from one place to another, especially to take away. 

  • To dismiss a batsman. 

  • To delete. 

noun
  • Distance in time or space; interval. 

  • A step or gradation (as in the phrase "at one remove") 

  • (at some public schools) A division of the school, especially the form prior to last 

  • Emotional distance or indifference. 

  • The act of resetting a horse's shoe. 

  • The act of removing something. 

  • A dish served to replace an earlier one during a meal; a part of a new course. 

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