comparison vs parallelism

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. 

parallelism

noun
  • The state of being in agreement or similarity; resemblance, correspondence, analogy. 

  • The state or condition of being parallel; agreement in direction, tendency, or character. 

  • A parallel position; the relation of parallels. 

  • The doctrine that matter and mind do not causally interact but that physiological events in the brain or body nonetheless occur simultaneously with matching events in the mind. 

  • Similarity of features between two species resulting from their having taken similar evolutionary paths following their initial divergence from a common ancestor. 

  • The use of parallel methods in hardware or software, so that several tasks can be performed at the same time. 

  • In antitrust law, the practice of competitors of raising prices by roughly the same amount at roughly the same time, without engaging in a formal agreement to do so. 

  • The juxtaposition of two or more identical or equivalent syntactic constructions, especially those expressing the same sentiment with slight modifications, introduced for rhetorical effect. 

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