stupor vs unconsciousness

stupor and unconsciousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
stupor	Yes	No	No	No
unconsciousness	Yes	No	No	No

As nouns, unconsciousness is a hypernym of stupor; that is, unconsciousness is a word with a broader meaning than stupor:

stupor: marginal consciousness
unconsciousness: a state lacking normal awareness of the self or environment

stupor (noun)	unconsciousness (noun)
marginal consciousness	a state lacking normal awareness of the self or environment
the feeling of distress and disbelief that you have when something bad happens accidentally