adept vs proficient

adept is a noun but proficient is not a noun.

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

As adjectives, adept and proficient are synonyms defined as:

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

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

adept (noun)	proficient (noun)
someone who is dazzlingly skilled in any field

adept (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