Scotsman vs Scottish

Scotsman

noun
  • A man from Scotland; a Scot. 

Scottish

noun
  • the people of Scotland. 

adj
  • Of a person, native to, born in or whose ancestors originally came from Scotland. 

  • Of a thing or concept, of or pertaining to Scotland. 

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