arguing vs firestorm

arguing and firestorm both are nouns.

Word	Noun	Adjective	Verb	Adverb
arguing	Yes	No	No	No
firestorm	Yes	No	No	No

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

arguing: a contentious speech act; a dispute where there is strong disagreement
firestorm: an outburst of controversy

Other hyponyms of arguing include argle-bargle, argy-bargy, sparring, polemic, fight.

arguing (noun)	firestorm (noun)
a contentious speech act; a dispute where there is strong disagreement	an outburst of controversy
	a storm in which violent winds are drawn into the column of hot air rising over a severely bombed area