exsanguinate vs phlebotomize

exsanguinate

verb
  • To drain a body (living or dead) of blood. 

  • To kill by means of blood loss. 

  • To die by means of blood loss. 

phlebotomize

verb
  • To perform a phlebotomy on (a person): to open a vein of (a person) to withdraw or let blood. 

  • To perform a phlebotomy on (a vein): to open (a vein) to withdraw or let blood. 

  • To perform a phlebotomy; to open a vein to withdraw or let blood. 

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