overhang vs penthouse

overhang

noun
  • That portion of the roof structure that extends beyond the exterior walls of a building. 

  • A fatty roll of pubis flab that hangs over one's genitals; a FUPA. 

  • The volume that tips the balance between the demand and the supply toward demand lagging supply. 

  • Anything that overhangs or protrudes over its base, such as a wave immediately before breaking, or a protruding cliff or rock wall. 

verb
  • To hang over (something). 

  • To impend. 

penthouse

noun
  • 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. 

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

  • 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. 

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

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