carbon monoxide vs monoxide

carbon monoxide and monoxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
carbon monoxide	Yes	No	No	No
monoxide	Yes	No	No	No

As nouns, monoxide is a hypernym of carbon monoxide; that is, monoxide is a word with a broader meaning than carbon monoxide:

carbon monoxide: an odorless very poisonous gas that is a product of incomplete combustion of carbon
monoxide: an oxide containing just one atom of oxygen in the molecule

carbon monoxide (noun)	monoxide (noun)
an odorless very poisonous gas that is a product of incomplete combustion of carbon	an oxide containing just one atom of oxygen in the molecule