abnormal vs rare

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. 

rare

noun
  • A scarce or uncommon item. 

adj
  • Thin; of low density. 

  • Very uncommon; scarce. 

  • Particularly of meat, especially beefsteak: cooked very lightly, so the meat is still red. 

  • Good; enjoyable. 

verb
  • To rear, bring up, raise. 

  • To rear, rise up, start backwards. 

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