boil vs heat

boil

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

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

  • To feel uncomfortably hot. 

  • 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. 

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. 

heat

verb
  • To excite or make hot by action or emotion; to make feverish. 

  • To excite ardour in; to rouse to action; to excite to excess; to inflame, as the passions. 

  • To arouse, to excite (sexually). 

  • To become hotter. 

  • To cause an increase in temperature of (an object or space); to cause to become hot (often with "up"). 

noun
  • A condition where a mammal is aroused sexually or where it is especially fertile and therefore eager to mate; oestrus. 

  • A hot spell. 

  • The output of a heating system. 

  • An attribute of a spice that causes a burning sensation in the mouth. 

  • One cycle of bringing metal to maximum temperature and working it until it is too cool to work further. 

  • The condition or quality of being hot. 

  • Heating system; a system that raises the temperature of a room or building. 

  • A period of intensity, particularly of emotion. 

  • A fastball. 

  • An undesirable amount of attention. 

  • A preliminary race, used to determine the participants in a final race 

  • A violent action unintermitted; a single effort. 

  • A stage in a competition, not necessarily a sporting one; a round. 

  • In omegaverse fiction, a cyclical period in which omegas experience an intense, sometimes irresistible biological urge to mate. 

  • One or more firearms. 

  • Thermal energy. 

  • The police. 

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