occupied vs untenanted

occupied

intj
  • Used to communicate that a toilet is unavailable. 

adj
  • Busy, unavailable. 

  • Reserved, engaged. 

  • Subjugated, under the control of a foreign military presence. 

untenanted

adj
  • Not leased to or occupied by a tenant; unoccupied. 

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