synaeresis vs chemical change

synaeresis and chemical change both are nouns.

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

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

synaeresis: the separation of liquid from a gel that is caused by contraction (as in cheese making)
chemical change: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of synaeresis include chemical action, chemical process.

synaeresis (noun)	chemical change (noun)
the separation of liquid from a gel that is caused by contraction (as in cheese making)	(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
the contraction of two vowels into a diphthong