nonconformity vs nonregularity

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. 

nonregularity

noun
  • The state or condition of being nonregular. 

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