conformity vs fluctuation

conformity

noun
  • A point of resemblance; a similarity. 

  • The state of being conforming, of complying with a set of rules, with a norm or standard. 

  • The state of things being similar or identical. 

  • The ideology of adhering to one standard or social uniformity. 

fluctuation

noun
  • A wavering; unsteadiness. 

  • In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion. 

  • A motion like that of waves; a moving in this and that direction. 

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