drop dead vs change state

drop dead and change state both are verbs.

Word	Noun	Adjective	Verb	Adverb
drop dead	No	No	Yes	No
change state	No	No	Yes	No

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

drop dead: 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 drop dead include turn.

drop dead (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