abnormalism vs quiddity

abnormalism

noun
  • Synonym of abnormality 

quiddity

noun
  • An eccentricity; an odd feature. 

  • A trifle; a nicety or quibble. 

  • The essence or inherent nature of a person or thing. 

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