decoration vs change of state

decoration and change of state both are nouns.

Word	Noun	Adjective	Verb	Adverb
decoration	Yes	No	No	No
change of state	Yes	No	No	No

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

decoration: the act of decorating something (in the hope of making it more attractive)
change of state: the act of changing something into something different in essential characteristics

decoration (noun)	change of state (noun)
the act of decorating something (in the hope of making it more attractive)	the act of changing something into something different in essential characteristics
something used to beautify
an award for winning a championship or commemorating some other event