glanders vs leper

glanders

noun
  • An infectious disease of horses, mules and donkeys caused by the bacterium Burkholderia, one species of which may be transmitted to humans. 

leper

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

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

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