breath vs groaning

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) 

groaning

noun
  • A low sound associated with extended suffering, sorrow, and toil. 

adj
  • Heavily laden, as if to creak under the strain. 

  • That groans. 

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