alpenstock vs skittle

alpenstock

noun
  • A stout adjustable walking stick with a metal point, used by mountain climbers and walkers in hilly or uneven terrain. 

skittle

noun
  • One of the wooden targets used in skittles. 

verb
  • To knock down (skittles). 

  • To defeat easily. 

  • (sometimes with out) To rapidly bowl out a succession of batsmen. 

  • To play skittles. 

  • (with down) To squander one's money. 

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