fat chance vs pending

fat chance

noun
  • Little or no chance, a low or nonexistent likelihood of occurrence or success. 

pending

adj
  • About to happen; imminent or impending. 

  • Begun but not completed. 

  • Awaiting a conclusion or a confirmation. 

prep
  • While waiting for something; until. 

  • During. 

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