Contrast:
* However: Emphasizes a contrast between two ideas.
* Yet: Similar to "however," but suggests a more surprising or unexpected contrast.
* Nevertheless: Stronger than "however," implying that the second idea is still valid despite the first.
* Nonetheless: Similar to "nevertheless."
* On the other hand: Introduces a contrasting viewpoint.
* Conversely: Indicates a complete opposite.
* Although: Similar to "but," but puts more emphasis on the first part of the sentence.
* Though: Similar to "although."
* Despite: Highlights that something is happening even though something else is true.
* In spite of: Similar to "despite."
Exceptions:
* Except: Indicates that something is not included.
* Unless: Indicates a condition that must be met for something to happen.
* Only: Highlights a limitation.
Adding information:
* And yet: Introduces a new idea that adds to the previous one, but also contrasts with it.
* Still: Indicates that something is true despite what has been said before.
* Furthermore: Adds additional information that supports the previous statement.
* Moreover: Similar to "furthermore."
* Besides: Indicates that something is in addition to something else.
Alternatives:
* Instead: Indicates a different choice.
* Rather: Indicates a preference for one thing over another.
* Otherwise: Indicates an alternative possibility.
Informal:
* Though: Casual and conversational.
* Yet: Casual and conversational.
* So: Used to express a consequence or result.
The best alternative to "but" will depend on the specific context of your sentence. Consider the tone, emphasis, and relationship between the ideas you are connecting.