streamer vs pennoncel

streamer and pennoncel both are nouns.

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

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

Other hyponyms of streamer include pennoncelle, penoncel.

streamer (noun)	pennoncel (noun)
long strip of cloth or paper used for decoration or advertising	a small pennant borne on a lance
a long flag; often tapering
a newspaper headline that runs across the full page
light that streams