skillful vs skilful

skillful and skilful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
skillful	No	Yes	No	No
skilful	No	Yes	No	No

As adjectives, skillful and skilful are synonyms defined as:

skillful and skilful: having or showing knowledge and skill and aptitude

Other synonyms of skillful include adept, expert, good, practiced, proficient.

skillful (adjective)	skilful (adjective)
done with delicacy and skill	having or showing knowledge and skill and aptitude
having or showing knowledge and skill and aptitude