garget vs woolly nightshade

garget

noun
  • Pokeweed. 

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

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

woolly nightshade

noun
  • Solanum mauritianum, a pest plant native to South America. 

  • Solanum villosum, a plant native to the Mediterranean. 

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