bottle vs let go

bottle

verb
  • To refrain from doing (something) at the last moment because of a sudden loss of courage. 

  • Of pages printed several on a sheet: to rotate slightly when the sheet is folded two or more times. 

  • To seal (a liquid) into a bottle for later consumption. Also fig. 

  • To throw away a leading position. 

  • To strike (someone) with a bottle. 

  • To pelt (a musical act on stage, etc.) with bottles as a sign of disapproval. 

  • To feed (an infant) baby formula. 

noun
  • A container, typically made of glass or plastic and having a tapered neck, used primarily for holding liquids. 

  • A container with a rubber nipple used for giving liquids to infants, a baby bottle. 

  • The contents of such a container. 

  • A container of hair dye, hence with one’s hair color produced by dyeing. 

  • Intoxicating liquor; alcohol. 

  • A building; house. 

  • (originally "bottle and glass" as rhyming slang for "arse") Nerve, courage. 

let go

verb
  • To emotionally disengage or to distract oneself from a situation. 

  • To dismiss from employment. 

  • To release from one's grasp; to go from a state of holding on to a state of no longer holding on. 

  • To ignore (a comment, etc.). 

  • To fail to maintain a standard of appearance, behavior, or performance. 

  • Used other than figuratively or idiomatically: see let, go. 

  • To gain weight 

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