bunch vs let go

bunch

verb
  • To protrude or swell 

  • To be gathered together in folds 

  • To form a bunch. 

  • To gather fabric into folds. 

  • To gather into a bunch. 

noun
  • A group of similar things, either growing together, or in a cluster or clump, usually fastened together. 

  • A protuberance; a hunch; a knob or lump; a hump. 

  • An informal body of friends. 

  • A considerable amount. 

  • A group of logs tied together for skidding. 

  • An unusual concentration of ore in a lode or a small, discontinuous occurrence or patch of ore in the wallrock. 

  • The reserve yarn on the filling bobbin to allow continuous weaving between the time of indication from the midget feeler until a new bobbin is put in the shuttle. 

  • The peloton; the main group of riders formed during a race. 

  • An unmentioned amount; a number. 

  • An unfinished cigar, before the wrapper leaf is added. 

let go

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

  • To dismiss from employment. 

  • To ignore (a comment, etc.). 

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

  • 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 bunch and let go occurred in a corpus of books? (source: Google Ngram Viewer )