sulfurous vs acrid

sulfurous and acrid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sulfurous	No	Yes	No	No
acrid	No	Yes	No	No

As adjectives, sulfurous and acrid are synonyms defined as:

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

sulfurous (adjective)	acrid (adjective)
of or related to or containing sulfur or derived from sulfur	strong and sharp
characterized by oppressive heat and humidity	harsh or corrosive in tone
harsh or corrosive in tone