sulphurous vs vitriolic

sulphurous and vitriolic both are adjectives.

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

As adjectives, sulphurous and vitriolic are synonyms defined as:

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

sulphurous (adjective)	vitriolic (adjective)
of or related to or containing sulfur or derived from sulfur	of a substance, especially a strong acid; capable of destroying or eating away by chemical action
characterized by oppressive heat and humidity	harsh or corrosive in tone
harsh or corrosive in tone