skilful vs proficient

skilful and proficient both are adjectives.

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

As adjectives, skilful and proficient are synonyms defined as:

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

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

skilful (adjective)	proficient (adjective)
having or showing knowledge and skill and aptitude	of or relating to technique or proficiency in a practical skill
	having or showing knowledge and skill and aptitude