kin-
The prefix "naus" means "ship" or "vessel." It is commonly used in words related to ships or sailing.
ship
....umm hopefully you know what a prefix is?.... one word is shipment or shipper
You could add the suffix -ship to it to make the word membership.
-ship
"Navis" is not a root word, suffix, or prefix in English. It is actually a Latin word meaning "ship" or "boat."
Her Majesty's Ship or His Majesty's Ship (depending on the monarch at the time)
SS is short for Steam Ship and used on civilian ships. NS would be Nuclear Ship and there was at least one civilian nuclear powered vessel. USS is a prefix designation for a military ships that stand for "United States Ship". HMS is a prefix designation for a British ships that stand for "His(Her) Majesty's Ship". Other ship designations you may see are 'MS' which stands for 'Motor Ship' and 'M/V' which stands for 'Motor Vessel'.
Her Majesty's Ship or His Majesty's Ship. It's a ship that belongs to a British Colony.
In marine terminology, MS is a prefix meaning "motor ship" and the prefix MV means "motor vessel." The two are often used synonymously.
His Majesty's Ship. This prefix is used with all British military ships. Literally, it means "the ship of the King" (when Darwin was onboard the Beagle, George V was in power). Today, however, it stands for Her Majesty's Ship.
MS Stands for "Motor Ship" and is interchangeable with the prefix "MV" or "Motor Vessle"