blab vs disclose

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. 

disclose

verb
  • To expose to the knowledge of others; to make known, state openly, reveal. 

  • To uncover, physically expose to view. 

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