kick the bucket vs change state

kick the bucket and change state both are verbs.

Word	Noun	Adjective	Verb	Adverb
kick the bucket	No	No	Yes	No
change state	No	No	Yes	No

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

kick the bucket: pass from physical life and lose all bodily attributes and functions necessary to sustain life
change state: undergo a transformation or a change of position or action

Other hypernyms of kick the bucket include turn.

kick the bucket (verb)	change state (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	undergo a transformation or a change of position or action