hindsight vs discernment

hindsight and discernment both are nouns.

Word	Noun	Adjective	Verb	Adverb
hindsight	Yes	No	No	No
discernment	Yes	No	No	No

As nouns, discernment is a hypernym of hindsight; that is, discernment is a word with a broader meaning than hindsight:

Other hypernyms of hindsight include apprehension, savvy, understanding.

hindsight (noun)	discernment (noun)
understanding the nature of an event after it has happened	the trait of judging wisely and objectively
	the mental ability to understand and discriminate between relations
	the cognitive condition of someone who understands
	perception of that which is obscure
	delicate discrimination (especially of esthetic values)