grasping vs discernment

grasping and discernment both are nouns.

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

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

Other hypernyms of grasping include apprehension, savvy, understanding.

grasping (noun)	discernment (noun)
the act of gripping something firmly with the hands (or the tentacles)	the trait of judging wisely and objectively
understanding with difficulty	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)

grasping (adjective)	discernment (adjective)
immoderately desirous of acquiring e.g. wealth