Craftsman vs smithy

Craftsman

noun
  • A building built in the Craftsman architectural style 

adj
  • Of an architectural style prominent in the United States in the early 20th century. 

smithy

noun
  • The location where a smith (particularly a blacksmith) works, a forge. 

verb
  • to forge, especially by hand 

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