streamer vs penoncel

streamer and penoncel both are nouns.

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

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

Other hyponyms of streamer include pennoncel, pennoncelle.

streamer (noun)	penoncel (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