leper vs measles

leper

noun
  • A person who has leprosy, a person suffering from Hansen's disease. 

  • Synonym of outcast: A person who is shunned, a pariah. 

measles

noun
  • An acute and highly contagious disease which often afflicts children caused by the virus Measles morbillivirus and causing red rashes, fever, runny nose, coughing, and red eyes. 

  • Synonym of cysticercosis: A disease of livestock or meat caused by the presence of tapeworm larvae. 

  • A discreet assassination made to look like death from any natural cause. 

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