mantelpiece vs overhang

mantelpiece

noun
  • A shelf that is affixed to the wall above a fireplace. 

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. 

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