hostile vs violent

hostile is a noun but violent is not a noun.

Word	Noun	Adjective	Verb	Adverb
hostile	Yes	Yes	No	No
violent	No	Yes	No	No

hostile (noun)	violent (noun)
troops belonging to the enemy's military forces

hostile (adjective)	violent (adjective)
characterized by enmity or ill will	acting with or marked by or resulting from great force or energy or emotional intensity
not belonging to your own country's forces or those of an ally	characterized by violence or bloodshed
unsolicited and resisted by the management of the target company (used of attempts to buy or take control of a business)	effected by force or injury rather than natural causes
very unfavorable to life or growth	marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
impossible to bring into friendly accord	(of colors or sounds) intensely vivid or loud