exiting vs retirement

exiting

noun
  • The act of one who exits; a departure. 

retirement

noun
  • The act of leaving one's career or employment permanently. 

  • An act of retiring; withdrawal. 

  • The state of being retired; seclusion. 

  • The state of having permanently left one's employment, now especially at reaching pensionable age; the portion of one's life after retiring from one's career. 

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