Pilgrim vs trog

Pilgrim

noun
  • A settler of the Plymouth Colony. 

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

name
  • A surname. 

trog

noun
  • A hooligan, lout. 

verb
  • To walk laboriously; to trudge. 

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