Question

the stern captain stood proudly at the ships stern.
adjective & verb
adjective & noun

Explanation:

In the sentence "The stern captain stood proudly at the ship's stern", the first "stern" describes the captain (so it's an adjective), and the second "stern" refers to the rear part of the ship (so it's a noun). So the correct option is the one with "adjective & noun".

Answer:

adjective & noun