duff vs inferior

duff

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

  • 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. 

  • 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. 

  • The buttocks. 

verb
  • To hit the ground behind the ball. 

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

adj
  • Worthless; not working properly, defective. 

inferior

noun
  • An inferior letter, figure, or symbol. 

  • A person of lower rank, stature, or ability to another. 

adj
  • Nearer to the Sun than the Earth is. 

  • (of a court or tribunal) Susceptible to having its decisions overturned by a higher court. 

  • Lower in rank, status, or quality. 

  • On the side of a flower which is next to the bract. 

  • Situated further below (another part of the body), a direction that in humans corresponds to caudad. 

  • Situated in a relatively low posterior or ventral position in a quadrupedal body. 

  • Situated below some other organ (said of a calyx when free from the ovary, and therefore below it, or of an ovary with an adherent and therefore inferior calyx). 

  • Of low rank, standard or quality. 

  • Denoting goods or services which are in greater demand during a recession than in a boom, for example second-hand clothes. 

  • Below the horizon. 

  • Printed in subscript. 

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