nard vs spunk

nard

noun
  • A testicle. 

  • Nardostachys jatamansi, a flowering plant of the valerian family that grows in the Himalayas, used as a perfume, an incense, a sedative, and an herbal medicine. 

  • A fragrant oil from the plant, formerly much prized. 

  • American spikenard (Aralia racemosa), a North American perennial herb with an aromatic root. 

spunk

noun
  • Semen. 

  • An attractive person (normally male). 

  • Touchwood; tinder. 

  • Courage; spirit; mettle; determination. 

verb
  • To ejaculate. 

  • To waste (money etc.). 

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