boil vs ulcer

boil

noun
  • A localized accumulation of pus in the skin, resulting from infection. 

  • The point at which fluid begins to change to a vapour; the boiling point. 

  • A dish of boiled food, especially seafood. 

  • A social event at which people gather to boil and eat food, especially seafood. (Compare a bake or clambake.) 

  • The collective noun for a group of hawks. 

verb
  • To form, or separate, by boiling or evaporation. 

  • To feel uncomfortably hot. 

  • To be moved or excited with passion; to be hot or fervid. 

  • To bring to a boil, to heat so as to cause the contents to boil. 

  • To begin to turn into a gas, seethe. 

  • To heat to the point where it begins to turn into a gas. 

  • To be uncomfortably hot. 

  • To cook in boiling water. 

  • To be agitated like boiling water; to bubble; to effervesce. 

ulcer

noun
  • An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection. 

  • Peptic ulcer. 

  • Anything that festers and corrupts like an open sore; a vice in character. 

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