What is a compound word for beside?

There isn't a commonly used compound word for "beside". "Beside" itself is already a compound word, combining the words "by" and "side".

Here are some alternatives with similar meanings:

* Alongside: This suggests being close to something or someone, moving or existing at the same time.

* Next to: This emphasizes proximity and the location of something or someone.

* By the side of: This emphasizes the positioning of something or someone in relation to another.

* At the side of: This is similar to "by the side of", focusing on the position.

The best choice depends on the specific context and the nuance you want to convey.