corrosion vs deterioration

corrosion and deterioration both are nouns.

Word	Noun	Adjective	Verb	Adverb
corrosion	Yes	No	No	No
deterioration	Yes	No	No	No

As nouns, deterioration is a hypernym of corrosion; that is, deterioration is a word with a broader meaning than corrosion:

corrosion: a state of deterioration in metals caused by oxidation or chemical action
deterioration: a symptom of reduced quality or strength

Other hypernyms of corrosion include impairment.

corrosion (noun)	deterioration (noun)
erosion by chemical action	process of changing to an inferior state
a state of deterioration in metals caused by oxidation or chemical action	a symptom of reduced quality or strength