behind vs bum

behind

noun
  • The buttocks, bottom, butt. 

  • 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. 

  • A one-point score. 

  • The catcher. 

prep
  • As a result or consequence of. 

  • Responsible for, being the creator or controller of. 

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

  • After in time. 

  • 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. 

bum

noun
  • The buttocks. 

  • The anus. 

  • A drinking spree. 

  • A lazy, incompetent, or annoying person, usually a man. 

  • A homeless person, usually a man. 

  • A player or racer who often performs poorly. 

intj
  • An expression of annoyance. 

verb
  • To ask someone to give one (something) for free; to beg for something. 

  • To wet the end of a marijuana cigarette (spliff). 

  • To sodomize; to engage in anal sex. 

  • To make a murmuring or humming sound. 

  • To stay idle and unproductive, like a hobo or vagabond. 

  • To depress; to make unhappy. 

adj
  • Of poor quality or highly undesirable. 

  • Unfair. 

  • Injured and without the possibility of full repair, defective. 

  • Unpleasant or unhappy. 

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