abnormal vs established

abnormal

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. 

noun
  • A person or object that is not normal. 

established

adj
  • Explicitly defined, described or recognized as a reference. 

  • Of a religion, church etc.: formally recognized by a state as being official within that area. 

  • Having been in existence for a long time and therefore recognized and generally accepted. 

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