disown vs fess

disown

verb
  • To repudiate any connection to; to renounce. 

  • To detach (a job or process) so that it can continue to run even when the user who launched it ends his/her login session. 

  • To refuse to own, or to refuse to acknowledge one’s own. 

fess

adj
  • Of animals, bad-tempered, fierce. 

  • Lively; active; strong. 

  • Proud; conceited. 

verb
  • To confess; to admit. 

noun
  • A horizontal band across the middle of the shield. 

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