bodger vs nitwit

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. 

nitwit

noun
  • A scatterbrained or stupid person. 

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