fledge vs fletch

fledge

verb
  • To decorate with feathers. 

  • To grow, cover or be covered with feathers. 

  • To complete the last moult and become a winged adult insect. 

  • To care for a young bird until it is capable of flight. 

fletch

verb
  • To feather, as an arrow. 

noun
  • The vane toward the back of an arrow, used to stabilise the arrow during flight. 

  • A large boneless fillet of halibut, swordfish or tuna. 

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