hind leg vs stocking

hind leg

noun
  • Either of the two legs towards the rear of a four-legged animal. 

stocking

noun
  • A broad ring of a different fur colour on the lower part of the leg of a quadruped. 

  • A soft garment, usually knit or woven, worn on the foot and lower leg under shoes or other footwear. 

  • A ratio of the actual density of trees in an area to the ideal density that would make the fullest use of the land. 

  • A knitted hood of cotton thread which is eventually converted by a special process into an incandescent mantle for gas lighting. 

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