discerning vs apprehensive

discerning and apprehensive both are adjectives.

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

As adjectives, discerning and apprehensive are synonyms defined as:

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