fledge vs tassel

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. 

tassel

verb
  • To adorn with tassels. 

  • To put forth a tassel or flower. 

noun
  • A kind of bur used in dressing cloth; a teasel. 

  • A ball-shaped bunch of plaited or otherwise entangled threads from which at one end protrudes a cord on which the ball is hung, and which may have loose, dangling threads at the other end (often used as decoration along the bottom of garments, curtains or other hangings). 

  • A thin plate of gold on the back of a bishop's gloves. 

  • A narrow silk ribbon, or similar, sewed to a book to be put between the pages. 

  • The panicle on a male plant of maize, which consists of loose threads with anthers on them. 

  • The loose hairs at the end of a braid. 

  • A piece of board that is laid upon a wall as a sort of plate, to give a level surface to the ends of floor timbers. 

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