Although vs But

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

Although

Top 1,000 (very common)A2conjunction

But

High-frequency chunkA1conjunction
 AlthoughBut
Pronunciation🇬🇧 /["/ɔːlˈðəʊ/"]/🇺🇸 /["/ɔːlˈðəʊ/"]/🇬🇧 /["/bət//bʌt/"]/🇺🇸 /["/bət//bʌt/"]/
MeaningUsed to show a contrast or exception.Used to show contrast or exception.
ExampleAlthough the sun was shining, it wasn't very warm.I wanted to go, but it started to rain.
RegisterNeutralNeutral
How commonTop 1,000 (very common)High-frequency chunk
CEFR levelA2A1
Part of speechconjunctionconjunction
Collocationsalthough it was late, although he tried, although they are differentbut I thought, but what about, but still, but then, but also
Antonymsbecause, sinceand, or
Common mistakesWrongly uses 'although' to connect two independent clauses without a comma., Uses 'although' instead of 'but' in simple sentences., Confuses 'although' with 'despite' in terms of usage.Confusing '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.
Usage notesUsed in both spoken and written contexts. It's suitable for formal writing, but also common in everyday conversation. Avoid starting sentences with 'although' in very casual speech.'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.

Frequently asked questions: Although vs But

What's the difference between Although and But?

Although: Used to show a contrast or exception. But: Used to show contrast or exception.

Which is more advanced: Although and But?

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

Are Although and But the same CEFR level?

Although: A2, But: A1 on the CEFR scale.

What part of speech are Although and But?

Although: conjunction, But: conjunction.

Can you show an example of each?

Although: Although the sun was shining, it wasn't very warm. But: I wanted to go, but it started to rain.

Can I use Although and But interchangeably?

Not always. Although and But 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.

Related comparisons