sarcastic vs corrosive

sarcastic is not a noun while corrosive is a noun.

Word	Noun	Adjective	Verb	Adverb
sarcastic	No	Yes	No	No
corrosive	Yes	Yes	No	No

sarcastic (noun)	corrosive (noun)
	a substance having the tendency to cause corrosion (such a strong acids or alkali)

sarcastic (adjective)	corrosive (adjective)
expressing or expressive of ridicule that wounds	of a substance, especially a strong acid; capable of destroying or eating away by chemical action
	spitefully sarcastic