Boom vs Coin

Boom

name
  • A Belgian town and municipality in the southwest of the Flemish province of Antwerp. 

Coin

name
  • An unincorporated community in Kentucky, United States. 

  • A city in Iowa, United States. 

  • A surname from French. 

  • A surname from Irish.; Alternative form of Coyne 

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