Beyond and By

Beyond adverb - Farther along in space or time or degree.

By and beyond are semantically related in to topic. In some cases you can use "By" instead the word "Beyond" as a preposition or an adverb, when it comes to topics like for.

By preposition - Along the way of.

Beyond and by are semantically related in near topic. You can use "Beyond" instead the word "By" as a preposition or an adverb, if it concerns topics such as past, to, for.