airing vs lodgment

airing

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

  • The broadcast of a television or radio show. 

  • An exposure to warm or fresh air. 

lodgment

noun
  • The act of lodging or depositing. 

  • An area used for lodging; a place in which a person or thing is or can be lodged. 

  • The occupation of a position by a besieging party, and the works thrown up to maintain it. 

  • The condition of being lodged. 

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