coop vs penthouse

coop

verb
  • To keep in a coop. 

  • To shut up or confine in a narrow space; to cramp. 

  • Of a police officer: to sleep or relax while on duty. 

  • To unlawfully confine one or more voters to prevent them from casting their ballots in an election. 

noun
  • A wickerwork basket (kipe) or other enclosure for catching fish. 

  • A cart with sides and ends made from boards, enabling it to carry manure, etc. 

  • A narrow place of confinement, a cage; a jail, a prison. 

  • A cart which opens at the back to release its load; a tumbril. 

  • A basket, pen or enclosure for birds or small animals. 

  • A small heap. 

penthouse

verb
  • To provide with a penthouse, shelter by means of a shed sloping from a wall, or anything similar. 

noun
  • Any of the sloping roofs at the side of a real tennis court. 

  • An outhouse or other structure (especially one with a sloping roof) attached to the outside wall of a building, sometimes as protection from the weather. 

  • An apartment or suite found on an upper floor, or floors, of a tall building, especially one that is expensive or luxurious with panoramic views. Sometimes these are located just under "penthouse mechanical" floors. 

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