unawareness vs unconsciousness

unawareness and unconsciousness both are nouns.

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

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

unawareness: unconsciousness resulting from lack of knowledge or attention
unconsciousness: a state lacking normal awareness of the self or environment

unawareness (noun)	unconsciousness (noun)
unconsciousness resulting from lack of knowledge or attention	a state lacking normal awareness of the self or environment