Horsepower vs Power

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

Horsepower

Top 3,000 (common)

Power

Top 1,000 (very common)A2noun
Most common: Power
 HorsepowerPower
Pronunciation🇬🇧 //ˈhɔːs.paʊə//🇺🇸 //ˈhɔrs.paʊər//🇬🇧 /["/ˈpaʊə(r)/"]/🇺🇸 /["/ˈpaʊər/"]/
MeaningA unit of power used to measure engines.The ability to do something or to control people or things.
ExampleThe new sports car has over 500 horsepower.The power of the wind can generate electricity.
RegisterNeutralNeutral
How commonTop 3,000 (common)Top 1,000 (very common)
CEFR level-A2
Part of speechnoun
Collocationsmeasure horsepower, horsepower rating, increase horsepowerabsolute, ultimate, considerable, come to, rise to, assume, be concentrated in (the hands of somebody/​something), flow from somebody/​something, lie with somebody/​something, struggle, relations, structure, in power, in somebody’s power, power of, abuse of power, the balance of power, a bid for power, absolute, ultimate, considerable, come to, rise to, assume, be concentrated in (the hands of somebody/​something), flow from somebody/​something, lie with somebody/​something, struggle, relations, structure, in power, in somebody’s power, power of, abuse of power, the balance of power, a bid for power, full, reduced, electric, generate, produce, provide (somebody/​something with), drive something, run something, go off, cable, grid, line, power for, a source of power, full, reduced, electric, generate, produce, provide (somebody/​something with), drive something, run something, go off, cable, grid, line, power for, a source of power, awesome, great, real, awesome, great, real, air, combat, military, have, possess, use, beyond somebody/​something’s power, in somebody’s power, within somebody’s power, at the height of your powers, at the peak of your powers, at the zenith of your powers, air, combat, military, have, possess, use, beyond somebody/​something’s power, in somebody’s power, within somebody’s power, at the height of your powers, at the peak of your powers, at the zenith of your powers, air, combat, military, have, possess, use, beyond somebody/​something’s power, in somebody’s power, within somebody’s power, at the height of your powers, at the peak of your powers, at the zenith of your powers, absolute, ultimate, considerable, come to, rise to, assume, be concentrated in (the hands of somebody/​something), flow from somebody/​something, lie with somebody/​something, struggle, relations, structure, in power, in somebody’s power, power of, abuse of power, the balance of power, a bid for power, great, major, world, air, combat, military, have, possess, use, beyond somebody/​something’s power, in somebody’s power, within somebody’s power, at the height of your powers, at the peak of your powers, at the zenith of your powers, air, combat, military, have, possess, use, beyond somebody/​something’s power, in somebody’s power, within somebody’s power, at the height of your powers, at the peak of your powers, at the zenith of your powers, absolute, ultimate, considerable, come to, rise to, assume, be concentrated in (the hands of somebody/​something), flow from somebody/​something, lie with somebody/​something, struggle, relations, structure, in power, in somebody’s power, power of, abuse of power, the balance of power, a bid for power
Antonyms-weakness, ineffectiveness
Common mistakesConfused with 'power' as a general term., Misused in contexts not related to vehicles or machinery.'Power' as a verb — learners often mistakenly use 'power' when they mean to say 'empower'., Confusing 'power' with 'might', as they have different nuances., Misusing 'power' in phrases, e.g., 'the power of' requires a specified noun.
Usage notesCommonly used in automotive and engineering contexts. Not appropriate in casual conversation outside of these topics.Used in both formal and informal contexts. In discussions about politics or leadership, 'power' often has a weighty connotation, while in casual settings it might refer to electricity or strength. Avoid using it in overly casual contexts when discussing serious topics.

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Horsepower
Power

Frequently asked questions: Horsepower vs Power

What's the difference between Horsepower and Power?

Horsepower: A unit of power used to measure engines. Power: The ability to do something or to control people or things.

Which is more common: Horsepower and Power?

Power is the most common in everyday English.

Can you show an example of each?

Horsepower: The new sports car has over 500 horsepower. Power: The power of the wind can generate electricity.

Can I use Horsepower and Power interchangeably?

Not always. Horsepower and Power 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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