corrosion vs chemical process

corrosion and chemical process both are nouns.

Word	Noun	Adjective	Verb	Adverb
corrosion	Yes	No	No	No
chemical process	Yes	No	No	No

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

corrosion: erosion by chemical action
chemical process: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of corrosion include chemical action, chemical change.

corrosion (noun)	chemical process (noun)
erosion by chemical action	(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
a state of deterioration in metals caused by oxidation or chemical action