hockey stick vs nine

hockey stick

noun
  • A playing card with the rank of seven. 

  • A stick used to handle the puck in ice hockey, having a flat, angled blade at the end. 

  • A stick used to handle the ball in field hockey, having a flat-faced hook at the end. 

  • A statistical trend in a graph of survey data in which most of the results are flat and then the graph suddenly peaks in a steep near-vertical direction. 

nine

noun
  • A playing card with nine pips. 

  • A baseball club, team, or lineup (composed of nine players). 

  • The digit or figure 9. 

  • A nine-millimeter semi-automatic pistol. 

  • A statistical unit of proportion (of reliability, purity, etc.). 

num
  • Describing a group or set with nine elements. 

  • A numerical value equal to 9; the number following eight and preceding ten. 

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