They're named by their functions--a ship that carries ISOtainers is a "container ship," a ship that carries passengers across the oceans is an ocean liner, a naval ship that launches and retrieves aircraft is an aircraft carrier, and so on and so forth.
Another name for a dismantled ship is a HULK
shipwreck, sunken ship
Ship, Space Ship, or plane.
ship
The deck.
ship yacht
a Keel
Big ship. Vessel. Carrier.
Bilge rats
A cruise ship.
crues liner
cargo.