foghorn vs mantrap

foghorn

noun
  • A strong gossiper. 

  • A very loud low-pitched horn, used especially in lighthouses and on large boats. 

verb
  • To shout or bellow in a loud, deep voice 

  • To sound a foghorn 

mantrap

noun
  • A woman who is dangerously seductive to men. 

  • A small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens, used to restrict access. 

  • A mechanical device for catching trespassers. 

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