drugstore vs stock exchange

drugstore

noun
  • Synonym of pharmacy, especially a small standalone general store which includes a pharmacy. 

stock exchange

noun
  • An organisation that trades stocks in of companies for money and vice versa. 

  • A building that trades stocks in of companies for money and vice versa. 

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