breath vs breathlessness

breath

noun
  • The act or process of breathing. 

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

  • Air expelled from the lungs. 

  • A rest or pause. 

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

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

breathlessness

noun
  • The state of being breathless or out of breath. 

  • Difficult or labored respiration, dyspnea, shortness of breath 

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