corrosive vs erosive

corrosive is a noun but erosive is not a noun.

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

As adjectives, corrosive and erosive are synonyms defined as:

corrosive and erosive: of a substance, especially a strong acid; capable of destroying or eating away by chemical action

Other synonyms of corrosive include caustic, mordant, vitriolic.

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

corrosive (adjective)	erosive (adjective)
of a substance, especially a strong acid; capable of destroying or eating away by chemical action	of a substance, especially a strong acid; capable of destroying or eating away by chemical action
spitefully sarcastic	wearing away by friction