home office vs whereabouts

home office

noun
  • The headquarters of an organization. 

  • A room, in a person's home, equipped as an office so that the person may work from home. 

whereabouts

noun
  • Location; where something is situated. 

  • Information about an elite athlete's future whereabouts, supplied to anti-doping authorities to facilitate random out-of-competition testing 

adv
  • In, at or near what location 

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