perspicacious vs discerning

perspicacious and discerning both are adjectives.

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

perspicacious (adjective)	discerning (adjective)
mentally acute or penetratingly discerning	having or revealing keen insight and good judgment
acutely insightful and wise	able to make or detect effects of great subtlety; sensitive
	quick to understand
	unobtrusively perceptive and sympathetic