assault vs vitriol

assault and vitriol both are nouns.

Word	Noun	Adjective	Verb	Adverb
assault	Yes	No	Yes	No
vitriol	Yes	No	Yes	No

As verbs, vitriol is a hyponym of assault; that is, vitriol is a word with a more specific, narrower meaning than assault:

Other hyponyms of assault include abuse, blackguard, clapperclaw, shout, claw, rip, whang, barrage, bombard, blister, scald, scorch, whip, rubbish.

assault (noun)	vitriol (noun)
close fighting during the culmination of a military attack	abusive or venomous language used to express blame or censure or bitter deep-seated ill will
a threatened or attempted physical attack by someone who appears to be able to cause bodily harm if not stopped	(H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
the crime of forcing a person to submit to sexual intercourse against his or her will

assault (verb)	vitriol (verb)
attack in speech or writing	subject to bitter verbal abuse
attack someone physically or emotionally	expose to the effects of vitriol or injure with vitriol
force (someone) to have sex against their will