breath vs odor

breath

noun
  • A small amount of something, such as wind, or common sense. 

  • A single act of breathing in or out; a breathing of air. 

  • The act or process of breathing. 

  • Air expelled from the lungs. 

  • A rest or pause. 

adj
  • voiceless, surd; contrasting with voice (breath sounds, voice sounds) 

odor

noun
  • Any smell, whether fragrant or offensive. 

  • A strong, pervasive quality. 

  • Esteem. 

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