feller vs lumberjack

feller

noun
  • A person who fells trees; a lumberjack 

  • A person who fells a seam. 

  • A machine for felling trees. 

  • An appliance to a sewing machine for felling a seam. 

lumberjack

noun
  • A person whose work is to fell trees. 

  • A lumberjacket. 

verb
  • To work as a lumberjack, cutting down trees. 

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