cola vs lemon soda

cola

noun
  • A beverage or a drink made with kola nut flavoring, caramel and carbonated water. 

  • The kola plant, genus Cola, famous for its nut, or one of these nuts. 

  • A cluster of buds on a cannabis plant. 

lemon soda

noun
  • A fizzy non-alcoholic drink made with soda and lemon. 

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