Merchant ship officer, 5 letters
Merchant vessel officer, 5 letters
Merchant vessel petty officer, 5 letters
Officer in charge of a ship's rigging, informally, 5 letters
Officer in charge of rigging, 5 letters
One of a cap'n's aides, 5 letters
Ship's petty officer, 5 letters
USN maintenance officer, 5 letters
Warship warrant officer, 5 letters
A petty officer on a merchant ship who controls the work of other seamen, 5 letters
Certain petty officers, for short, 6 letters
Merchant vessel officers, 6 letters
Oceangoing officers, 6 letters
Petty officers, briefly, 6 letters