broach vs introduce

broach

verb
  • To begin discussion about (something). 

  • To cause to turn sideways to oncoming waves, especially large or breaking waves (usually followed by to; also figurative). 

  • To make a hole in, especially a cask of liquor, and put in a tap in order to draw the liquid. 

  • To open, to make an opening into; to pierce. 

  • To break the surface of the water. 

  • To be turned sideways to oncoming waves, especially large or breaking waves. 

noun
  • A spire rising from a tower. 

  • A broad chisel for stone-cutting. 

  • An awl; a bodkin; also, a wooden rod or pin, sharpened at each end, used by thatchers. 

  • A spit-like start on the head of a young stag. 

  • The stick from which candle wicks are suspended for dipping. 

  • The pin in a lock which enters the barrel of the key. 

  • A spit for cooking food. 

  • A series of chisel points mounted on one piece of steel. For example, the toothed stone chisel shown here. 

introduce

verb
  • To bring (something) into practice. 

  • To cause (someone) to be acquainted (with someone else). 

  • To add (something) to a system, a mixture, or a container. 

  • To make (something or someone) known by formal announcement or recommendation. 

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