enroll vs ordain

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 

ordain

verb
  • To decree. 

  • To prearrange unalterably. 

  • To predestine. 

  • To admit into the ministry, for example as a priest, bishop, minister or Buddhist monk, or to authorize as a rabbi. 

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