phlebotomize vs spill blood

phlebotomize

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

spill blood

verb
  • To bleed; to lose blood because of an injury. 

  • To injure; to kill. 

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