crooner vs foghorn

crooner

noun
  • One who croons; a singer, usually male, especially of popular music. 

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 

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