bodger vs expert

bodger

noun
  • One who works in a rough and ready, slipshod manner. 

  • A woodworker in the traditional style characterised by the use of hand tools, a pole lathe and use of green timber. 

expert

noun
  • A player ranking just below master. 

  • A person with extensive knowledge or ability in a given subject. 

adj
  • Extraordinarily capable or knowledgeable. 

  • Characteristic of an expert. 

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