enroll vs select

enroll

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

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

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

select

verb
  • To obtain a set of data from a database using a query. 

  • To choose one or more elements of a set, especially a set of options. 

adj
  • Privileged, specially selected. 

  • Of high quality; top-notch. 

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