advance vs tread

advance

verb
  • To move or push (something) forwards, especially forcefully. 

  • To raise (someone) in rank or office; to prefer, to promote. 

  • To make (something) happen at an earlier time or date; to bring forward, to hasten. 

  • To make progress; to do well, to succeed. 

  • To move forwards; to approach. 

  • To help the progress of (something); to further. 

  • To move forward in time; to progress towards completion. 

  • To raise or increase (a price, rate). 

  • To provide (money or other value) before it is due, or in expectation of some work; to lend. 

  • To increase (a number or amount). 

  • To make a higher bid at an auction. 

  • To put forward (an idea, argument etc.); to propose. 

noun
  • A forward move; improvement or progression. 

  • An opening approach or overture, now especially of an unwelcome or sexual nature. 

  • An amount of money or credit, especially given as a loan, or paid before it is due; an advancement. 

  • An addition to the price; rise in price or value. 

adj
  • Completed before necessary or a milestone event. 

  • Preceding. 

  • Forward. 

tread

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

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

  • To copulate with. 

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

noun
  • 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. 

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

  • 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. 

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