ribbon vs accolade

ribbon and accolade both are nouns.

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

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

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

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

ribbon (noun)	accolade (noun)
notion consisting of a narrow strip of fine material used for trimming	a tangible symbol signifying approval or distinction
a long strip of inked material for making characters on paper with a typewriter
an award for winning a championship or commemorating some other event
any long object resembling a thin line