air out vs overhaul

air out

verb
  • To throw passes, especially long and high passes. 

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

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

overhaul

verb
  • To pass, overtake, or travel past. 

  • To search (a ship) for contraband goods. 

  • To keep (running rigging) clear, and see that no hitch occurs. 

  • To modernize, repair, renovate, or revise completely. 

noun
  • A major repair, renovation, or revision. 

  • The process after the fire appears extinguished in which the firefighters search the structure for signs of hot spots that may cause the structure to reignite. Often this includes the process of salvage under the blanket term, salvage and overhaul. 

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