Along and Aboard

Along adverb - Toward or at a point lying in advance in space or time.

Aboard and along are semantically related. In some cases you can use "Aboard" instead the word "Along" as an adverb or a preposition.

Aboard adverb - On a ship, train, plane or other vehicle.

Along and aboard are semantically related. You can use "Along" instead the word "Aboard" as an adverb or a preposition.