dichloroethyl sulfide vs mustard agent

dichloroethyl sulfide and mustard agent both are nouns.

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

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

dichloroethyl sulfide and mustard agent: 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 gas, sulfur mustard.

dichloroethyl sulfide (noun)	mustard agent (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