gall vs yolk

gall

noun
  • A bump-like imperfection resembling a gall. 

  • Impudence or brazenness; temerity, chutzpah. 

  • A feeling of exasperation. 

  • The gall bladder. 

  • A pit on a surface being cut caused by the friction between the two surfaces exceeding the bond of the material at a point. 

  • A sore on a horse caused by an ill-fitted or ill-adjusted saddle; a saddle sore. 

  • A blister or tumor-like growth found on the surface of plants, caused by burrowing of insect larvae into the living tissues, especially that of the common oak gall wasp Cynips quercusfolii. 

verb
  • To scoff; to jeer. 

  • To harass, to harry, often with the intent to cause injury. 

  • To impregnate with a decoction of gallnuts in dyeing. 

  • To cause pitting on a surface being cut from the friction between the two surfaces exceeding the bond of the material at a point. 

  • To exasperate. 

  • To chafe, to rub or subject to friction; to create a sore on the skin. 

  • To bother or trouble. 

yolk

noun
  • The grease in a sheep's fleece; lanolin. 

  • The yellow, spherical part of an egg that is surrounded by the white albumen, and serves as nutriment for the growing young. 

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