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.
what's the difference between rival and copetitor?
whats the difference between cost and list?
what is difference between accounts and engineering
Whats the difference between maths lit and pure maths
five
WHATS THATT!!!
There is a difference
There are no difference between them they are the same thing.
The difference between 309 and 132 is 177 numbers.