Spelling differences American va British English

Here are the 5 patterns!

In American English many words end with an “or” and they drop the u
On the other hand, In British English the same words are spelled with an our
My favorite color is blue (AE)

Many words in American English end with a ze
Whereas in British English the same words end with a se
The winner analyzed the prize carefully

In American English some words end with er
Whereas in British English the same words end with a re
The center of the city is just a few kilometers from here

In American English some words have a double ll
Whereas in British English the same words have only one l
The company is working on the second installment of the aquarium but they are looking for skillful architects

Another difference is that in American English some words finis with se
Whereas in British English the same words end with ce
He doesn’t took offense for not getting the driver’s license