comatoseness vs unconsciousness

comatoseness and unconsciousness both are nouns.

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

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

comatoseness: a state of deep and often prolonged unconsciousness; usually the result of disease or injury
unconsciousness: a state lacking normal awareness of the self or environment

comatoseness (noun)	unconsciousness (noun)
a state of deep and often prolonged unconsciousness; usually the result of disease or injury	a state lacking normal awareness of the self or environment