fizzy drink vs lemonade

fizzy drink

noun
  • A non-alcoholic, carbonated beverage such as lemonade or cola 

lemonade

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

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

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

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