Prove vs Verify

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

Prove

Top 1,000 (very common) B1

Verify

Formal Top 2,000 (common) C1 verb

Most formal: Verify Most common: Prove

	Prove	Verify
Pronunciation	🇬🇧 /["/pruːv/","/pruːvz/","/pruːvd/","/ˈpruːvn//ˈprəʊvn/","/ˈpruːvɪŋ/"]/ 🇺🇸 /["/pruːv/","/pruːvz/","/pruːvd/","/ˈpruːvn/","/ˈpruːvɪŋ/"]/	🇬🇧 //ˈverɪfaɪ// 🇺🇸 //ˈvɛrəˌfaɪ//
Meaning	To show that something is true	To check if something is true or correct.
Example	You need to prove your identity before you can access the account.	The accountant will verify all financial statements before the audit.
Register	Neutral	Formal
How common	Top 1,000 (very common)	Top 2,000 (common)
CEFR level	B1	C1
Part of speech		verb
Collocations	conclusively, definitively, scientifically, be difficult to, be impossible to, be easy to, to, a chance to prove something, prove somebody right, prove somebody wrong	verify information, verify results, verify identity
Antonyms	disprove, refute	falsify, disprove, reject
Common mistakes	'Prove' is often confused with 'prove of', which is incorrect., Some learners use 'proven' as a verb, but the correct past tense is 'proved'., Mixing up contexts, such as using 'prove' when they mean 'show' or 'indicate'.	Confused with 'verify' as a noun, should only be used as a verb., Using 'verify' with incorrect prepositions, e.g., 'verify to' instead of 'verify against'.
Usage notes	Use 'prove' in contexts where you are demonstrating something is true or valid. It's commonly used in both formal and informal settings. Avoid using it in casual or lighthearted conversations.	Used in formal contexts, especially in legal, academic, or technical settings. Not common in everyday conversation.

See it in real clips

What were you trying to prove?

You can't prove he didn't get to the door.

Sherlock › S1 E1

You risk your life to prove you're clever.

What were you trying to prove?

You can't prove he didn't get to the door.

Prove

Top Gear › S1 E1

and it needs that to verify the speed,

Verify

Frequently asked questions: Prove vs Verify

What's the difference between Prove and Verify?

Prove: To show that something is true Verify: To check if something is true or correct.

Which is more formal: Prove and Verify?

Verify is the most formal of these.

Which is more common: Prove and Verify?

Prove is the most common in everyday English.

Which is more advanced: Prove and Verify?

Verify is the highest level, at C1, on the CEFR scale.

Are Prove and Verify the same CEFR level?

Prove: B1, Verify: C1 on the CEFR scale.

Can you show an example of each?

Prove: You need to prove your identity before you can access the account. Verify: The accountant will verify all financial statements before the audit.

Can I use Prove and Verify interchangeably?

Not always. Prove and Verify 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.