comparison vs dissimilarity

comparison

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

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

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

  • 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. 

  • 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. 

dissimilarity

noun
  • Lack of similarity or lack of likeness in appearance to something else. 

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