droop vs push-up

droop

noun
  • Something which is limp or sagging. 

  • A condition or posture of drooping. 

  • A hinged portion of the leading edge of an aeroplane's wing, which swivels downward to increase lift during takeoff and landing. 

verb
  • To lose all energy, enthusiasm or happiness; to flag. 

  • To slowly become limp; to bend gradually. 

  • To proceed downward, or toward a close; to decline. 

  • To allow to droop or sink. 

  • To hang downward; to sag. 

push-up

noun
  • A push-up bra. 

  • An exercise done to improve upper body strength, performed by resting on one's toes and hands and pushing one's weight off the floor. 

verb
  • To perform a push-up, or to lift oneself off the ground in a push-up-like manner. 

adj
  • Supporting the breasts to increase their apparent size. 

  • Designed to be worn rolled up. 

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