uncomfortableness vs self-consciousness

uncomfortableness and self-consciousness both are nouns.

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

As nouns, uncomfortableness and self-consciousness are synonyms defined as:

uncomfortableness and self-consciousness: embarrassment deriving from the feeling that others are critically aware of you

Other synonyms of uncomfortableness include uneasiness.

uncomfortableness (noun)	self-consciousness (noun)
embarrassment deriving from the feeling that others are critically aware of you	self-awareness plus the additional realization that others are similarly aware of you
the state of being tense and feeling pain	embarrassment deriving from the feeling that others are critically aware of you