avaricious vs grasping

avaricious is not a noun while grasping is a noun.

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

As adjectives, avaricious and grasping are synonyms defined as:

Other synonyms of avaricious include covetous, grabby, greedy, prehensile.

avaricious (noun)	grasping (noun)
	the act of gripping something firmly with the hands (or the tentacles)
	understanding with difficulty

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