accolade vs symbol

accolade and symbol both are nouns.

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

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

accolade: a tangible symbol signifying approval or distinction
symbol: an arbitrary sign (written or printed) that has acquired a conventional significance

accolade (noun)	symbol (noun)
a tangible symbol signifying approval or distinction	something visible that by association or convention represents something else that is invisible
	an arbitrary sign (written or printed) that has acquired a conventional significance