Effect vs Result

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

Effect

Top 1,000 (very common)A2noun

Result

Top 1,000 (very common)A1noun
 EffectResult
Pronunciation🇬🇧 /["/ɪˈfekt/"]/🇺🇸 /["/ɪˈfekt/"]/🇬🇧 /["/rɪˈzʌlt/"]/🇺🇸 /["/rɪˈzʌlt/"]/
MeaningA change that is caused by something.What happens because of something else.
ExampleThe effect of the medicine was noticeable within hours.The result of the test was better than I expected.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A1
Part of speechnounnoun
Collocationsdecisive, dramatic, far-reaching, bring about, exert, have, exist, occur, spread, in effect, to this effect, to that effect, cause and effect, to little effect, to no effect, special, cinematic, audiobeneficial, encouraging, favourable/​favorable, deliver, have, produce, as a/​the result, with a/​the result, election, electoral, poll, announce, read out, influence, encouraging, excellent, good, get, have, early, initial, preliminary, await, wait for, get, demonstrate something, illustrate something, reflect something, pending the result of, result from, concrete, tangible, come up with, deliver, get
Antonymscause, sourcecause, source
Common mistakesConfused with 'affect' versus 'effect'., Using 'effect' as a verb instead of a noun., Confusing singular and plural forms (e.g., 'effects' vs 'effect').'Resulting' should not be used without a clear cause., Confusing 'result' with 'resort' when talking about outcomes., Using 'result' incorrectly as a verb without an object.
Usage notesUse 'effect' to refer to results or changes. It's more formal than 'result.' Avoid using it where 'affect' (to influence) fits better.Use 'result' in both written and spoken language when discussing outcomes. It's appropriate in academic, professional, and casual settings, but should be avoided in overly emotional contexts.

See it in real clips

Effect
Result

Frequently asked questions: Effect vs Result

What's the difference between Effect and Result?

Effect: A change that is caused by something. Result: What happens because of something else.

Which is more advanced: Effect and Result?

Effect is the highest level, at A2, on the CEFR scale.

Are Effect and Result the same CEFR level?

Effect: A2, Result: A1 on the CEFR scale.

What part of speech are Effect and Result?

Effect: noun, Result: noun.

Can you show an example of each?

Effect: The effect of the medicine was noticeable within hours. Result: The result of the test was better than I expected.

Can I use Effect and Result interchangeably?

Not always. Effect and Result 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.