Pilgrim vs dero

Pilgrim

noun
  • A settler of the Plymouth Colony. 

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

name
  • A surname. 

dero

noun
  • A homeless person, a tramp; a social derelict, especially an alcoholic. 

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