A ship is propelled by wind or a propeller, and an airplane is propelled by a jet engine, propeller or turboprop.
It propels.
The propellor basically propels the aircraft. without it the airplane wouldn't go anywhere.
Thrust
A jet engine usually propels an airplane. The jet engine propels the plane by ejecting extremely hot gasses out the back of the engines. Another way is by using huge fans to suck in air and blow it out the back.
airplane
The kitchen and cooking area of a ship or airplane is known as the gally.
The curved shape of the propeller deflects airflow to it's rear. This is 'thrust' that propels an aircraft.
sail is to ship
By boat or ship or airplane
By ship or by airplane
Ship.
Mainly by airplane or ship.