obidoxime chloride vs antidote

obidoxime chloride and antidote both are nouns.

Word	Noun	Adjective	Verb	Adverb
obidoxime chloride	Yes	No	No	No
antidote	Yes	No	No	No

As nouns, antidote is a hypernym of obidoxime chloride; that is, antidote is a word with a broader meaning than obidoxime chloride:

obidoxime chloride: a chloride used as an antidote for nerve gases such as sarin or VX
antidote: a remedy that stops or controls the effects of a poison

Other hypernyms of obidoxime chloride include counterpoison, chloride.

obidoxime chloride (noun)	antidote (noun)
a chloride used as an antidote for nerve gases such as sarin or VX	a remedy that stops or controls the effects of a poison