Pilgrim vs beachcomber

Pilgrim

noun
  • A settler of the Plymouth Colony. 

  • Someone connected with Plymouth Argyle Football Club, as a fan, player, coach etc. 

name
  • A surname. 

beachcomber

noun
  • A person who collects marine salvage at the coast. 

  • Any loafer around a waterfront. 

  • A long rolling wave of the sea. 

  • A seaman who is not prepared to work but hangs around port areas living off the charity of others. 

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