before vs behind

before

prep
  • Earlier than (in time). 

  • In front of, according to a formal system of ordering items. 

  • In store for, in the future of (someone). 

  • At a higher or greater position than, in a ranking. 

  • Under consideration, judgment, authority of (someone). 

  • In the presence of. 

  • In front of in space. 

conj
  • Rather or sooner than. 

  • In advance of the time when. 

adv
  • At an earlier time. 

  • In advance. 

  • At the front end. 

behind

prep
  • After in time. 

  • As a result or consequence of. 

  • Responsible for, being the creator or controller of. 

  • After in developmental progress, score, grade, etc.; inferior to. 

  • In the past, from the viewpoint of. 

  • Concealed by (something serving as a facade or disguise). 

  • After in physical progress or distance. 

  • In support of. 

  • Underlying, being the reason for or explanation of. 

  • At or to the back or far side of. 

adj
  • Slow. 

  • Not advanced to the required or expected degree; overdue or in arrears. 

adv
  • Behind the scenes in a theatre; backstage. 

  • At or in the rear or back part of something. 

  • So as to come after someone or something in position, distance, advancement, ranking, time, etc. 

  • So as to be still in place after someone or something has departed or ceased to exist. 

  • In a rearward direction. 

  • Backward in time or order of succession; past. 

noun
  • In the Eton College field game, any of a group of players consisting of two "shorts" (who try to kick the ball over the bully) and a "long" (who defends the goal). 

  • The rear, back-end. 

  • The buttocks, bottom, butt. 

  • A one-point score. 

  • The catcher. 

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