vilification vs vitriol

vilification and vitriol both are nouns.

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

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

vilification: a rude expression intended to offend or hurt
vitriol: abusive or venomous language used to express blame or censure or bitter deep-seated ill will

Other hyponyms of vilification include low blow, billingsgate, scurrility, cut, stinger, invective, vituperation.

vilification (noun)	vitriol (noun)
slanderous defamation	abusive or venomous language used to express blame or censure or bitter deep-seated ill will
a rude expression intended to offend or hurt	(H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry

vilification (verb)	vitriol (verb)
	subject to bitter verbal abuse
	expose to the effects of vitriol or injure with vitriol