catalysis vs chemical action

catalysis and chemical action both are nouns.

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

As nouns, chemical action is a hypernym of catalysis; that is, chemical action 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 action: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of catalysis include chemical change, chemical process.

catalysis (noun)	chemical action (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