let-down vs put away

let-down

noun
  • A disappointment or anticlimax. 

  • The clearance of an aircraft to descend through clouds to clear air below, or the process of granting such a clearance. 

  • The neurohormonal release of milk in dairy cows or in breastfeeding human mothers. 

put away

verb
  • To put (something) in its usual storage place; to place out of the way, clean up. 

  • To catch a fly ball or tag out a baserunner. 

  • To kill someone. 

  • To store, add to one's stores for later use. 

  • To consume (food or drink), especially in large quantities. 

  • To take a large lead in a game, especially enough to guarantee victory or make the game no longer competitive. 

  • To hit the ball in such a way that the opponent cannot reach it; see passing shot 

  • To knock out an opponent. 

  • To discard, divest oneself of. 

  • To send (someone) to prison or mental asylum. 

  • To strike out a batter. 

How often have the words let-down and put away occurred in a corpus of books? (source: Google Ngram Viewer )