I know i broke my oath vs Pledge

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

I know i broke my oath

Beyond 10,000 (less common)

Pledge

FormalTop 2,000 (common)C1verb
Most formal: PledgeMost common: Pledge
 I know i broke my oathPledge
Pronunciation🇬🇧 //aʊθ//🇺🇸 //oʊθ//🇬🇧 //plɛdʒ//🇺🇸 //plɛdʒ//
MeaningI promised to do something and didn't.To make a serious promise or commitment.
ExampleI know I broke my oath to protect the kingdom.She decided to pledge her support to the charity event.
RegisterNeutralFormal
How commonBeyond 10,000 (less common)Top 2,000 (common)
CEFR level-C1
Part of speechverb
Collocationshonor an oath, take an oath, break an oathpledge allegiance, pledge support, pledge a donation
Antonyms-renounce, disavow, withdraw
Common mistakesConfusing 'oath' with 'oath of office', which is specific to political positions., Using 'broke' incorrectly with non-physical items; it applies to commitments., Mispronouncing 'oath' as it is not spelled phonetically.Confused with 'pledged' vs 'pledge' as different tenses., Omitting the object after the verb., Using 'pledge' when referring to a general promise instead of a formal commitment.
Usage notesUse in discussions about promises, commitments, or moral obligations. It's neutral but may be serious depending on context.Typically used in formal contexts, such as during ceremonies or official statements. Avoid in casual conversations.

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I know i broke my oath
Pledge

Frequently asked questions: I know i broke my oath vs Pledge

What's the difference between I know i broke my oath and Pledge?

I know i broke my oath: I promised to do something and didn't. Pledge: To make a serious promise or commitment.

Which is more formal: I know i broke my oath and Pledge?

Pledge is the most formal of these.

Which is more common: I know i broke my oath and Pledge?

Pledge is the most common in everyday English.

Can you show an example of each?

I know i broke my oath: I know I broke my oath to protect the kingdom. Pledge: She decided to pledge her support to the charity event.

Can I use I know i broke my oath and Pledge interchangeably?

Not always. I know i broke my oath and Pledge 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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