leprosy vs measles

leprosy

noun
  • An infectious disease caused by the bacterium Mycobacterium leprae, gradually producing nerve damage and patches of skin necrosis and historically handled by permanently quarantining its sufferers. 

  • Similar contagious skin diseases causing light patches of scaly skin, particularly psoriasis, syphilis, vitiligo, scabies, and (biblical) the various diseases considered "tzaraath" in the Old Testament of the Bible. 

  • Anything considered similarly permanent, harmful, and communicable, particularly when such a thing should be handled by avoidance or isolation of its victims. 

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 leprosy and measles occurred in a corpus of books? (source: Google Ngram Viewer )