self-consciousness vs uncomfortableness

self-consciousness and uncomfortableness both are nouns.

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

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

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

Other synonyms of self-consciousness include uneasiness.

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