fasces vs emblem

fasces and emblem both are nouns.

Word	Noun	Adjective	Verb	Adverb
fasces	Yes	No	No	No
emblem	Yes	No	No	No

As nouns, emblem is a hypernym of fasces; that is, emblem is a word with a broader meaning than fasces:

fasces: bundle of rods containing an ax with the blade protruding; in ancient Rome it was a symbol of a magistrate's power; in modern Italy it is a symbol of fascism
emblem: a visible symbol representing an abstract idea

Other hypernyms of fasces include allegory.

fasces (noun)	emblem (noun)
bundle of rods containing an ax with the blade protruding; in ancient Rome it was a symbol of a magistrate's power; in modern Italy it is a symbol of fascism	special design or visual object representing a quality, type, group, etc.
	a visible symbol representing an abstract idea