abnormal vs strange

abnormal

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

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

noun
  • A person or object that is not normal. 

strange

adj
  • Not normal; odd, unusual, surprising, out of the ordinary. 

  • Outside of one's current relationship; unfamiliar. 

  • Having the quantum mechanical property of strangeness. 

  • Not belonging to one. 

  • Unfamiliar, not yet part of one's experience. 

  • Of an attractor: having a fractal structure. 

noun
  • Sex outside of one's current relationship. 

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