air conditioning vs airing

air conditioning

noun
  • The state of temperature and humidity produced by an air conditioner. 

  • An air conditioner or system of air conditioners. 

airing

noun
  • An exposure to warm or fresh air. 

  • A public expression of an opinion or discussion of a subject. 

  • The broadcast of a television or radio show. 

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