call back vs disown

call back

verb
  • To request someone's return. 

  • To telephone someone again at a more convenient time. 

  • To return to a shop or residence one has previously visited. 

noun
  • Request for a second interview or audition, following a successful initial interview. 

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. 

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