invigorant vs lemonade

invigorant

noun
  • Something that invigorates. 

lemonade

noun
  • A flavoured beverage consisting of water, lemon, and sweetener, sometimes ice, served mainly as a refreshment. 

  • A clear, usually carbonated, beverage made from lemon or artificial lemon flavouring, water, and sugar. 

  • Recreational drugs of poor or weak quality, especially heroin. 

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