anomalism vs nonregularity

anomalism

noun
  • the state or quality of being anomalous. 

  • the theory that language was arbitrary in its origin, or without any natural analogy between names and the things named. 

  • an anomaly. 

nonregularity

noun
  • The state or condition of being nonregular. 

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