proficient vs skilful

proficient and skilful both are adjectives.

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

As adjectives, proficient and skilful are synonyms defined as:

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

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

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