reek vs touch hole

reek

noun
  • Vapour; steam; smoke; fume. 

  • A hill; a mountain. 

  • A strong unpleasant smell. 

verb
  • To be evidently associated with something unpleasant. 

  • To have or give off a strong, unpleasant smell. 

touch hole

noun
  • A small hole through which the propellant charge of a cannon or muzzleloading gun is ignited. 

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