bakehead vs stoker

bakehead

noun
  • A fireman (person who keeps the fire going underneath a steam boiler on a railroad locomotive). 

  • A person who uses cannabis. 

stoker

noun
  • A person who stokes, especially one on a steamship or steam train, who stokes coal in the boilers. 

  • A person who pedals on the back of a tandem bicycle. 

  • A device for stoking a fire; a poker. 

  • A device that feeds coal into a furnace, etc., automatically. 

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