pinion vs tie up

pinion

verb
  • To restrain; to limit. 

  • To cut off the pinion of a bird’s wing, or otherwise disable or bind its wings, in order to prevent it from flying. 

  • To bind the arms of someone, so as to deprive him of their use; to disable by so binding. 

noun
  • The smallest gear in a gear train. 

  • Any of the outermost primary feathers on a bird's wing. 

  • A moth of the genus Lithophane. 

  • The joint of a bird's wing farthest from the body. 

  • A wing. 

tie up

verb
  • To occupy, detain, keep busy, or delay. 

  • To immobilize a capital: make a capital investment that makes that capital unavailable. 

  • To complete, finish, or resolve. 

  • Don't forget to tie up your hair before you bake. 

  • To secure with rope, string, etc. 

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