an Airship is an aircraft of the lighter-than-air type sustained in the air by gas
an aeroplane in a mechanically propelled heavier-than-air flying machine
There are two common types of Airship:The ridged airship that the Zeppelin of the 1930s wasThe blimp.
The spelling.
there is no difference
See What are gliders on the airplane? answer.
There is noneAnswer'Aeroplane' is British English; 'airplane' is US English.
Those terms are synonymous
One comes more toward the beginning of the sentence and the other is at the end of the sentence.
A hot air balloon does not have any mean of steering and does not have permanent flotation. An airship has a permanent means of flotation (lighter than air gas bags) and a means of propulsion.
because a airplane is flown by wings and a space craft is flown by something else
The blimp was invented before the airplane. In 1852 Henri Giffard successfully built the first powered airship and in 1903 The Wright brothers successfully built the first powered airplane.
difference between cooler and heat exchangers
A plane needs air, a rocket doesn't.