medallion vs accolade

medallion and accolade both are nouns.

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

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

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

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

medallion (noun)	accolade (noun)
an award for winning a championship or commemorating some other event	a tangible symbol signifying approval or distinction
an emblem indicating that a taxicab is registered
a circular helping of food (especially a boneless cut of meat)
a circular helping of food (especially a boneless cut of meat) "medallions of veal"
any of various large ancient Greek coins