deftness vs adeptness

deftness and adeptness both are nouns.

Word	Noun	Adjective	Verb	Adverb
deftness	Yes	No	No	No
adeptness	Yes	No	No	No

As nouns, deftness and adeptness are synonyms defined as:

deftness and adeptness: skillful performance or ability without difficulty

Other synonyms of deftness include adroitness, facility, quickness.

deftness (noun)	adeptness (noun)
skillful performance or ability without difficulty	skillful performance or ability without difficulty