air out vs sterilize

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. 

sterilize

verb
  • To kill, deactivate (denature), or destroy (break apart) all living, viable microorganisms and spores on a surface, in a fluid, or contained in a compound, such as culture media or a medical product. 

  • To deprive of the ability to procreate. 

  • To redact (a document), removing classified or sensitive material. 

  • To make unable to produce; to make unprofitable. 

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