blab vs discover

blab

verb
  • To tell tales; to gossip without reserve or discretion. 

  • to speak carelessly or excessively 

noun
  • One who blabs; a babbler; a telltale; a gossip or gossiper. 

  • Gossip; prattle. 

discover

verb
  • To find or learn something for the first time. 

  • To create by moving a piece out of another piece's line of attack. 

  • To question (a person) as part of discovery in a lawsuit. 

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