discerning vs percipient

discerning is not a noun while percipient is a noun.

Word	Noun	Adjective	Verb	Adverb
discerning	No	Yes	No	No
percipient	Yes	Yes	No	No

discerning (noun)	percipient (noun)
	a person who becomes aware (of things or events) through the senses

discerning (adjective)	percipient (adjective)
having or revealing keen insight and good judgment	characterized by ease and quickness in perceiving
able to make or detect effects of great subtlety; sensitive
quick to understand
unobtrusively perceptive and sympathetic