ruckus vs flurry

ruckus and flurry both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruckus	Yes	No	No	No
flurry	Yes	No	Yes	No

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

Other hyponyms of ruckus include ado, bustle, fuss, hustle, stir.

ruckus (noun)	flurry (noun)
the act of making a noisy disturbance	a rapid active commotion
	a light brief snowfall and gust of wind (or something resembling that)

ruckus (verb)	flurry (verb)
	cause to feel embarrassment
	move in an agitated or confused manner