apprehensive vs discerning

apprehensive and discerning both are adjectives.

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

As adjectives, apprehensive and discerning are synonyms defined as:

apprehensive (adjective)	discerning (adjective)
in fear or dread of possible evil or harm	having or revealing keen insight and good judgment
quick to understand	able to make or detect effects of great subtlety; sensitive
mentally upset over possible misfortune or danger etc	quick to understand
	unobtrusively perceptive and sympathetic