catalysis vs chemical change

catalysis and chemical change both are nouns.

Word	Noun	Adjective	Verb	Adverb
catalysis	Yes	No	No	No
chemical change	Yes	No	No	No

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

catalysis: acceleration of a chemical reaction induced by the presence of material that is chemically unchanged at the end of the reaction
chemical change: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of catalysis include chemical action, chemical process.

catalysis (noun)	chemical change (noun)
acceleration of a chemical reaction induced by the presence of material that is chemically unchanged at the end of the reaction	(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved