Skilful or Skillful?
Your choice!
Skilful
Exemple : ‘’Police officers have to be skilful drivers.’’
The word "skilful" is spelt differently depending on whether you are using British or American English. The British spelling has only one "l."
Skillful
Exemple : ‘’He played a skillful piece on the piano.’’
The American spelling "skillful" has a double letter "l" and is similar to the way there are two "l"s in the American English spelling of words such as "enrol" and "fulfil."