blistering vs virulent

blistering is a noun but virulent is not a noun.

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

As adjectives, blistering and virulent are synonyms defined as:

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

blistering (noun)	virulent (noun)
the formation of vesicles in or beneath the skin

blistering (adjective)	virulent (adjective)
very fast; capable of quick response and great speed	infectious; having the ability to cause disease
hot enough to raise (or as if to raise) blisters	extremely poisonous or injurious; producing venom
harsh or corrosive in tone	harsh or corrosive in tone