discrepancy vs escape route

discrepancy

noun
  • The state or quality of being discrepant. 

  • An inconsistency between facts or sentiments. 

escape route

noun
  • A way out of a difficult or unpleasant situation. 

  • A path used by someone to escape from a dangerous place. 

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