comparison vs synonym

comparison

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

  • 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. 

  • 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. 

synonym

noun
  • A word or phrase with a meaning that is the same as, or very similar to, another word or phrase. 

  • An alternative (often shorter) name defined for an object in a database. 

  • Any name for a taxon, usually a validly published, formally accepted one, but often also an unpublished name. 

  • A word whose meaning is the same as that of another word. 

  • Any of the formal names for a taxon, including the valid name (i.e. the senior synonym). 

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