abnormal vs mainstream

abnormal

noun
  • A person or object that is not normal. 

adj
  • Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health. 

  • Not conforming to rule or system; deviating from the usual or normal type. 

mainstream

noun
  • That which is common; the norm. 

  • The principal current in a flow, such as a river or flow of air 

adj
  • Used or accepted broadly rather than by small portions of a population or market. 

verb
  • To become mainstream. 

  • To popularize, to normalize, to render mainstream. 

  • To educate (a disabled student) together with non-disabled students. 

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