air out vs breathe

air out

verb
  • To expose to air; to leave open or spread out, as to allow odor or moisture to dissipate. 

  • To throw passes, especially long and high passes. 

  • To discuss in the open; to address an issue or conflict that has long been avoided. 

breathe

verb
  • To exhale or expel (something) in the manner of breath. 

  • To inspire (scripture). 

  • To take in needed gases and expel waste gases in a similar way. 

  • To live. 

  • To exercise; to tire by brisk exercise. 

  • To inhale (a gas) to sustain life. 

  • To draw air into (inhale), and expel air from (exhale), the lungs in order to extract oxygen and excrete waste gases. 

  • To passionately devote much of one's life to (an activity, etc.). 

  • To whisper quietly. 

  • To give an impression of, to exude. 

  • To expel air from the lungs, exhale. 

  • To pass like breath; noiselessly or gently; to emanate; to blow gently. 

  • To draw something into the lungs. 

  • To exchange gases with the environment. 

  • To stop, to give (a horse) an opportunity to catch its breath. 

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