pennoncel vs pennant

pennoncel and pennant both are nouns.

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

As nouns, pennant is a hypernym of pennoncel; that is, pennant is a word with a broader meaning than pennoncel:

Other hypernyms of pennoncel include pennon, streamer, waft.

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