react vs change state

react and change state both are verbs.

Word	Noun	Adjective	Verb	Adverb
react	No	No	Yes	No
change state	No	No	Yes	No

As verbs, change state is a hypernym of react; that is, change state is a word with a broader meaning than react:

react: undergo a chemical reaction; react with another substance under certain conditions
change state: undergo a transformation or a change of position or action

Other hypernyms of react include turn.

react (verb)	change state (verb)
undergo a chemical reaction; react with another substance under certain conditions	undergo a transformation or a change of position or action
show a response or a reaction to something
act against or in opposition to