decoration vs accolade

decoration and accolade both are nouns.

Word	Noun	Adjective	Verb	Adverb
decoration	Yes	No	No	No
accolade	Yes	No	No	No

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

decoration: an award for winning a championship or commemorating some other event
accolade: a tangible symbol signifying approval or distinction

Other hypernyms of decoration include award, honor, honour, laurels.

decoration (noun)	accolade (noun)
the act of decorating something (in the hope of making it more attractive)	a tangible symbol signifying approval or distinction
something used to beautify
an award for winning a championship or commemorating some other event