bow out vs demit

bow out

verb
  • To resign, or leave, with one's credibility still intact. 

demit

verb
  • To relinquish an office, membership, authority, etc.; to resign, as from a Masonic lodge. 

  • To let fall; to depress; to yield. 

noun
  • A document certifying that a person has (honourably) demitted, as from a Masonic lodge. 

  • The act of demitting. 

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