comparison vs divergence

comparison

noun
  • An evaluation of the similarities and differences of one or more things relative to some other or each other. 

  • The faculty of the reflective group which is supposed to perceive resemblances and contrasts. 

  • That to which, or with which, a thing is compared, as being equal or like; illustration; similitude. 

  • The act of comparing or the state or process of being compared. 

  • A simile. 

  • With a negation, the state of being similar or alike. 

  • A feature in the morphology or syntax of some languages whereby adjectives and adverbs are inflected to indicate the relative degree of the property they define exhibited by the word or phrase they modify or describe. 

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 comparison and divergence occurred in a corpus of books? (source: Google Ngram Viewer )