abnormal vs probable

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. 

probable

noun
  • A person who is likely to appear or do a certain thing. 

  • Something that is likely. 

adj
  • Supporting, or giving ground for, belief, but not demonstrating. 

  • Likely or most likely to be true. 

  • Likely to happen. 

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