boil vs froth

boil

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

  • 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. 

noun
  • 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. 

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

froth

verb
  • (of a liquid) To bubble. 

  • To spit, vent, or eject, as froth. 

  • To cover with froth. 

  • To create froth in (a liquid). 

  • (literally) To spew saliva as froth; (figuratively) to rage, vent one's anger. 

noun
  • foam 

  • Thousands of African children die each day: why do the newspapers continue to discuss unnecessary showbiz froth? 

  • Highly speculative investment. 

  • The idle rich; 

  • unimportant or insubstantial talk, events, or actions; drivel 

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