behind vs duff

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. 

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. 

adj
  • Slow. 

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

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. 

duff

noun
  • The buttocks. 

  • A mixture of coal and rock. 

  • A pudding-style dessert, especially one made with plums. 

  • The bits left in the bottom of the bag after the booty has been consumed, like crumbs. 

  • Something spurious or fake; a counterfeit, a worthless thing. 

  • An error. 

  • A stiff flour pudding, often with dried fruit, boiled in a cloth bag, or steamed. 

  • Fine and dry coal in small pieces, usually anthracite. 

  • Dough. 

  • Decaying vegetable matter on the forest floor. 

  • Coal dust, especially that left after screening or combined with other small, unsaleable bits of coal. 

verb
  • To hit the ground behind the ball. 

  • To alter the branding of stolen cattle; to steal cattle. 

adj
  • Worthless; not working properly, defective. 

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