cocker vs fettler

cocker

noun
  • Friend, mate. 

  • A rustic high shoe; half-boot. 

  • A cocker spaniel, either of two breeds of dogs originally bred for hunting woodcocks. 

  • One who breeds gamecocks or engages in the sport of cockfighting. 

  • A device that aids in cocking a crossbow. 

verb
  • To make a nestle-cock of; to indulge or pamper (particularly of children). 

fettler

noun
  • A friend or mate 

  • A person who maintains railway lines. 

  • Someone who fiddles or tinkers with things. 

  • An ostler; one who looks after the horses in a mine. 

  • Someone whose job is to sand and grind small imperfections from metal and ceramic castings. 

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