vitriolic vs virulent

vitriolic and virulent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vitriolic	No	Yes	No	No
virulent	No	Yes	No	No

As adjectives, vitriolic and virulent are synonyms defined as:

Other synonyms of vitriolic include acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous.

vitriolic (adjective)	virulent (adjective)
of a substance, especially a strong acid; capable of destroying or eating away by chemical action	infectious; having the ability to cause disease
harsh or corrosive in tone	extremely poisonous or injurious; producing venom
	harsh or corrosive in tone