gravelly vs rasping

gravelly is not a noun while rasping is a noun.

Word	Noun	Adjective	Verb	Adverb
gravelly	No	Yes	No	No
rasping	Yes	Yes	No	No

As adjectives, gravelly and rasping are synonyms defined as:

Other synonyms of gravelly include grating, raspy, rough, scratchy.

gravelly (noun)	rasping (noun)
	uttering in an irritated tone

gravelly (adjective)	rasping (adjective)
unpleasantly harsh or grating in sound	unpleasantly harsh or grating in sound
abounding in small stones