Aside and Beside

Aside noun - A departure from the subject under consideration.

Beside is a synonym for aside in close topic. In some cases you can use "Beside" instead the word "Aside" as an adverb or an adjective, when it comes to topics like to one side, away from.

Beside preposition - In addition to.

Aside is a synonym for beside in close topic. You can use "Aside" instead the word "Beside" as an adverb or an adjective, if it concerns topics such as position, next to.