commotion vs ruckus

commotion and ruckus both are nouns.

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

As nouns, commotion and ruckus are synonyms defined as:

Other synonyms of commotion include din, ruction, rumpus, tumult.

commotion (noun)	ruckus (noun)
the act of making a noisy disturbance	the act of making a noisy disturbance
confused movement
a disorderly outburst or tumult