puck vs pug

puck

noun
  • A penalty shot. 

  • billy goat 

  • A pointing device with a crosshair. 

  • A hard rubber disc; any other flat disc meant to be hit across a flat surface in a game. 

  • A body position between the pike and tuck positions, with knees slightly bent and folded in; open tuck. 

  • An object shaped like a puck. 

verb
  • To hit, strike. 

pug

noun
  • One who fights with fists; a boxer. 

  • The pawprint or footprint of an animal. 

  • Any geometrid moth of the genus Eupithecia. 

  • A harlot; a prostitute. 

  • A pug mill. 

  • A small dog of an ancient breed originating in China, having a snub nose, wrinkled face, squarish body, short smooth hair, and curled tail. 

  • Any compressed clay-like material mixed and worked into a soft, plastic condition for making bricks, pottery or for paving. (Also pug soil) 

  • An upper servant in a great house. 

  • A bargeman. 

verb
  • To mix and stir when wet. 

  • To fill or stop with clay by tamping; to fill in or spread with mortar, as a floor or partition, for the purpose of deadening sound. 

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