Aft and Astern

Aft adverb - Near, toward, or in the stern of a ship or the tail of an aircraft.

Astern is a synonym for aft in abaft topic. In some cases you can use "Astern" instead the word "Aft" as an adverb or an adjective.

Astern adverb - Near, toward, or in the stern of a ship or the tail of an aircraft.

Aft is a synonym for astern in backward topic. You can use "Aft" instead the word "Astern" as an adverb or an adjective, if it concerns topics such as abaft.