Crosswise and Sideways

Crosswise adverb - In a line or direction running from corner to corner.

Sideways and crosswise are semantically related. in across topic. In some cases you can use "Sideways" instead the word "Crosswise" as an adverb or an adjective, when it comes to topics like transversely.

Sideways adverb - With one side faced forward.

Crosswise and sideways are semantically related. You can use "Crosswise" instead an adverb "Sideways".