After all and But

After all adverb - In spite of expectations.

But and after all are semantically related. in still topic. In some cases you can use "But" instead the phrase "After all" as an adverb or a conjunction or a preposition, when it comes to topics like however, although, in spite of.

But adverb - And nothing more.

After all and but are semantically related. Sometimes you can use "After all" instead the word "But" as a conjunction or an adverb or a preposition.