shoehorn vs tread

shoehorn

noun
  • A smooth tool that assists in putting the foot into a shoe, by sliding the heel in after the toe is in place. This reduces discomfort and damage to the back of the shoe. By slipping it into the back of the shoe behind the heel, the user prevents the heel from squashing down the back of the shoe and causing difficulty; instead the heel slides down the smooth shoehorn, which then comes out easily once the foot is in place. 

  • Anything by which a transaction is facilitated; a medium. 

verb
  • To use a shoehorn. 

  • To force (something) into (a tight space); to squeeze (something) into (a schedule, etc); to exert great effort to insert or include (something); to include (something) despite potent reasons not to. 

  • To force some current event into alignment with some (usually unconnected) agenda, especially when it is fallacious. 

tread

noun
  • The grooves on the bottom of a shoe or other footwear, used to give grip or traction. 

  • A step taken with the foot. 

  • The grooves carved into the face of a tire, used to give the tire traction. 

  • The chalaza of a bird's egg; the treadle. 

  • A bruise or abrasion produced on the foot or ankle of a horse that interferes, or strikes its feet together. 

  • The horizontal part of a step in a flight of stairs. 

  • The top of the banquette, on which soldiers stand to fire over the parapet. 

  • The act of avian copulation in which the male bird mounts the female by standing on her back. 

  • A manner of stepping. 

  • The sound made when someone or something is walking. 

verb
  • To proceed, to behave (in a certain manner). 

  • To beat or press with the feet. 

  • To work a lever, treadle, etc., with the foot or the feet. 

  • To crush grapes with one's feet to make wine 

  • To step or walk upon. 

  • To copulate; said of (especially male) birds. 

  • To step or walk (on or across something); to trample. 

  • To go through or accomplish by walking, dancing, etc. 

  • To copulate with. 

  • To crush under the foot; to trample in contempt or hatred; to subdue. 

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