groin vs jetty

groin

noun
  • The projecting solid angle formed by the meeting of two vaults 

  • The surface formed by two such vaults. 

  • The crease or depression of the human body at the junction of the trunk and the thigh, together with the surrounding region. 

  • The genitals. 

  • The area adjoining this fold or depression. 

verb
  • To grunt; to growl; to snarl; to murmur. 

  • To build with groins. 

  • To deliver a blow to the genitals of. 

  • To hollow out; to excavate. 

jetty

noun
  • A part of a building that jets or projects beyond the rest, and overhangs the wall below. 

  • A wharf or dock extending from the shore. 

  • A structure of wood or stone extended into the sea to influence the current or tide, or to protect a harbor or beach. 

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