blistering agent vs sulfur mustard

blistering agent and sulfur mustard both are nouns.

Word	Noun	Adjective	Verb	Adverb
blistering agent	Yes	No	No	No
sulfur mustard	Yes	No	No	No

As nouns, blistering agent and sulfur mustard are synonyms defined as:

blistering agent and sulfur mustard: a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote

Other synonyms of blistering agent include dichloroethyl sulfide, mustard agent, mustard gas.

blistering agent (noun)	sulfur mustard (noun)
a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote	a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote