odor vs reek

odor

noun
  • Any smell, whether fragrant or offensive. 

  • A strong, pervasive quality. 

  • Esteem. 

reek

noun
  • A strong unpleasant smell. 

  • Vapour; steam; smoke; fume. 

  • A hill; a mountain. 

verb
  • To be evidently associated with something unpleasant. 

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

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