self-consciousness vs unselfconsciousness

self-consciousness and unselfconsciousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-consciousness	Yes	No	No	No
unselfconsciousness	Yes	No	No	No

self-consciousness (noun)	unselfconsciousness (noun)
self-awareness plus the additional realization that others are similarly aware of you	the quality of being not self-conscious; unawareness of yourself or of others' views of yourself
embarrassment deriving from the feeling that others are critically aware of you