But vs However

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

But

High-frequency chunkA1conjunction

However

Top 1,000 (very common)A1adverb
 ButHowever
Pronunciation🇬🇧 /["/bət//bʌt/"]/🇺🇸 /["/bət//bʌt/"]/🇬🇧 /["/haʊˈevə(r)/"]/🇺🇸 /["/haʊˈevər/"]/
MeaningUsed to show contrast or exception.but; shows contrast between two ideas.
ExampleI wanted to go, but it started to rain.He was feeling bad. He went to work, however, and tried to concentrate.
RegisterNeutralNeutral
How commonHigh-frequency chunkTop 1,000 (very common)
CEFR levelA1A1
Part of speechconjunctionadverb
Collocationsbut I thought, but what about, but still, but then, but alsohowever, you should, however, it is important, however, I believe
Antonymsand, ortherefore, consequently
Common mistakesConfusing 'but' with 'and' when showing contrast., Starting a sentence with 'but' in very formal writing., Using a comma before 'but' when the clauses are very short.Confused with 'how ever' which means in what way., Omitting a comma before 'however' when it starts a sentence., Using 'however' inappropriately in very casual contexts.
Usage notes'But' is used to connect two contrasting ideas. It’s appropriate in both spoken and written English but may sound abrupt in very formal writing.Use 'however' to introduce a contrasting idea in a sentence. It's suitable in both spoken and written English but more common in formal writing. Avoid using it at the beginning of informal conversations.

Frequently asked questions: But vs However

What's the difference between But and However?

But: Used to show contrast or exception. However: but; shows contrast between two ideas.

Are But and However the same CEFR level?

But: A1, However: A1 on the CEFR scale.

Can I use But and However interchangeably?

Not always. But and However 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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