dichloroethyl sulfide vs mustard gas

dichloroethyl sulfide and mustard gas both are nouns.

Word	Noun	Adjective	Verb	Adverb
dichloroethyl sulfide	Yes	No	No	No
mustard gas	Yes	No	No	No

As nouns, dichloroethyl sulfide and mustard gas are synonyms defined as:

dichloroethyl sulfide and mustard gas: 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 dichloroethyl sulfide include blistering agent, mustard agent, sulfur mustard.

dichloroethyl sulfide (noun)	mustard gas (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