outflow vs phlebotomize

outflow

verb
  • To flow outward. 

noun
  • Any outward movement. 

  • Something that flows out of a sewage treatment plant. 

  • The process of flowing out. 

  • A fluid that flows out. 

  • A stream of gaseous material emanating from an active galactic nucleus. 

  • The part of a system that allows material to flow out. 

phlebotomize

verb
  • 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. 

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

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