pennant vs pennoncel

pennant and pennoncel both are nouns.

Word	Noun	Adjective	Verb	Adverb
pennant	Yes	No	No	No
pennoncel	Yes	No	No	No

As nouns, pennoncel is a hyponym of pennant; that is, pennoncel is a word with a more specific, narrower meaning than pennant:

Other hyponyms of pennant include pennoncelle, penoncel.

pennant (noun)	pennoncel (noun)
a long flag; often tapering	a small pennant borne on a lance
a flag longer than it is wide (and often tapering)
the award given to the champion