Phytolacca americana vs garget

Phytolacca americana

garget

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

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

  • Pokeweed. 

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