defiance vs nonconformity

defiance

noun
  • Open or bold resistance to or disregard for authority, opposition, or power. 

  • A challenging attitude or behaviour; challenge. 

  • The feeling, or spirit of being defiant. 

nonconformity

noun
  • Rejection of, or failure to conform to, a practice, standard, rule, or law. 

  • A type of unconformity in which a non-sedimentary rock intrudes in sedimentary layers. 

  • Refusal to conform to the doctrine, discipline, or practice of a state religion, especially refusal by other Protestants to conform to the doctrine or discipline of the Church of England; the principles or practice of nonconformists; nonconformists as a class. 

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