nonconformism vs nonregularity

nonconformism

noun
  • Synonym of nonconformity (sense 2). 

  • The situation or tenets of A Protestant in England who was not a member of the Church of England. 

nonregularity

noun
  • The state or condition of being nonregular. 

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