semicoma vs unconsciousness

semicoma and unconsciousness both are nouns.

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

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

semicoma: a mild comatose state; a coma from which the person can be roused by appropriate stimuli
unconsciousness: a state lacking normal awareness of the self or environment

semicoma (noun)	unconsciousness (noun)
a mild comatose state; a coma from which the person can be roused by appropriate stimuli	a state lacking normal awareness of the self or environment