discontinuance vs timeout

discontinuance

noun
  • The occurrence of something being discontinued; a cessation; an incomplete ending. 

timeout

noun
  • The intentional termination of an incomplete task after a time limit considered long enough for it to end normally. 

  • The allowed maximal time for a process to end normally. 

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