#comparing__comparison  examining resemblances or differences
  supertype:  examination.investigating__inspection__scrutiny  the act of examining something closely (as for mistakes)
  subtype:  likening  the act of comparing similarities
  subtype:  analogy  drawing a comparison in order to show a similarity in some respect; "the operation of a computer presents and interesting analogy to the working of the brain"; "the models show by analogy how matter is built up"
  subtype:  collation  careful examination and comparison to note points of disagreement
  subtype:  contrast  the act of distinguishing by comparing differences

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