garget vs gargol

garget

noun
  • A distemper in pigs accompanied by staggering and loss of appetite. 

  • An inflammation on a cow's or sheep's udder. 

  • Pokeweed. 

gargol

noun
  • A distemper in swine; garget. 

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