contrast vs divergence

contrast

noun
  • The degree of this difference. 

  • Something that is opposite of or strikingly different from something else. 

  • A control on a television, etc, that adjusts the amount of contrast in the images being displayed. 

  • Antithesis. 

  • is a substance used to increase the contrast of structures or fluids within the body in medical imaging. 

  • A difference between two objects, people or concepts. 

verb
  • To form a contrast. 

  • To set in opposition in order to show the difference or differences between. 

divergence

noun
  • The degree to which two or more things diverge. 

  • The process in which two or more populations accumulate genetic changes (mutations) through time. 

  • the operator which maps a function F=(F₁, ... Fₙ) from a n-dimensional vector space to itself to the function ∑ᵢ₌₁ⁿ(∂F_i)/(∂x_i) 

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