Boil vs Cook vs Heat

When to use each in English, with meaning, register, and examples.

Boil

Top 2,000 (common)A2verb

Cook

Top 1,000 (very common)A1verb

Heat

Top 1,000 (very common)A2noun
 BoilCookHeat
Pronunciation🇬🇧 /["/bɔɪl/","/bɔɪlz/","/bɔɪld/","/ˈbɔɪlɪŋ/"]/🇺🇸 /["/bɔɪl/","/bɔɪlz/","/bɔɪld/","/ˈbɔɪlɪŋ/"]/🇬🇧 /["/kʊk/","/kʊks/","/kʊkt/","/ˈkʊkɪŋ/"]/🇺🇸 /["/kʊk/","/kʊks/","/kʊkt/","/ˈkʊkɪŋ/"]/🇬🇧 /["/hiːt/"]/🇺🇸 /["/hiːt/"]/
MeaningTo heat a liquid until it makes bubbles and turns to steam.To prepare food by heating it.The quality of being hot or warm.
ExampleYou need to boil the water before adding the pasta.I love to cook Italian food on the weekends.The heat from the sun can be very intense during summer.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A1A2
Part of speechverbverbnoun
Collocationsfuriously, rapidly, vigorously, put something on to, furiously, rapidly, vigorously, put something on to, furiously, rapidly, vigorously, put something on tofully, thoroughly, well, be cooked through, freshly cooked, fully, thoroughly, well, be cooked through, freshly cookedburning, fierce, great, feel, disperse, dissipate, build up, increase, come from something, loss, exhaustion, stress, heat from, burning, fierce, great, feel, disperse, dissipate, build up, increase, come from something, loss, exhaustion, stress, heat from, baking, blazing, blistering, grow, get to somebody, haze, wave, source, in the heat, the heat of the day, high, gentle, low, turn up, lower, reduce, off the heat, on a… heat, over a… heat, electric, radiant, have, have on, use, be on, be on high, be on low, sudden, flare, flood something, rise, in the heat of, with heat, in the heat of the moment, qualifying, regional, dead, win, in a/​the heat
Antonymsfreeze, solidifyburn, destroycold, chill, cool
Common mistakesConfused with 'seethe' — 'boil' implies bubbles and rolling liquid, while 'seethe' can refer to agitation without boiling., Using 'boil' with inanimate objects rather than liquids — only liquids can boil.Confused with 'bake' — baking is a specific type of cooking., Saying 'the cook' when meaning to refer to the food prepared — clarify to avoid misunderstanding., Using 'cook' in passive forms inaccurately, such as 'the meal is cooked by' instead of 'the cook cooks the meal.'Confused with 'hot' when describing temperature ('This is heat' instead of 'This is hot')., Using 'heat' as a verb incorrectly ('I heat up my drink' should include 'up')., Mixing up 'heat' with 'temperature' when discussing measurements.
Usage notesUsed in cooking contexts, especially for foods like eggs or pasta. Avoid using 'boil' in informal conversations unless discussing food preparation.Use 'cook' when talking about making meals. It's common in everyday conversation. Avoid using it in very formal writing unless discussing culinary skills.Use 'heat' when talking about temperature or warmth. It's neutral and appropriate in scientific discussions as well as casual conversations. Avoid using it in overly formal contexts like academic papers.

Frequently asked questions: Boil vs Cook vs Heat

What's the difference between Boil, Cook, and Heat?

Boil: To heat a liquid until it makes bubbles and turns to steam. Cook: To prepare food by heating it. Heat: The quality of being hot or warm.

Are Boil, Cook, and Heat the same CEFR level?

Boil: A2, Cook: A1, Heat: A2 on the CEFR scale.

What part of speech are Boil, Cook, and Heat?

Boil: verb, Cook: verb, Heat: noun.

Can you show an example of each?

Boil: You need to boil the water before adding the pasta. Cook: I love to cook Italian food on the weekends. Heat: The heat from the sun can be very intense during summer.

Can I use Boil, Cook, and Heat interchangeably?

Not always. Boil, Cook, and Heat are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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