acylation vs chemical change

acylation and chemical change both are nouns.

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

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

acylation: the process of introducing an acyl group into a compound
chemical change: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of acylation include chemical action, chemical process.

acylation (noun)	chemical change (noun)
the process of introducing an acyl group into a compound	(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved