storm center vs commotion

storm center and commotion both are nouns.

Word	Noun	Adjective	Verb	Adverb
storm center	Yes	No	No	No
commotion	Yes	No	No	No

As nouns, commotion is a hypernym of storm center; that is, commotion is a word with a broader meaning than storm center:

Other hypernyms of storm center include disruption, disturbance, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle, to-do.

storm center (noun)	commotion (noun)
the central area or place of lowest barometric pressure within a storm	the act of making a noisy disturbance
a center of trouble or disturbance	confused movement
	a disorderly outburst or tumult