Unconscious is an adjective.
"Unconsciousness" is a noun. It refers to the state of being unaware or not conscious.
chicken.
He unconsciously daydreamed about his crush.He unconsciously kicked the table in his sleep.
Done unconsciously or spontaneously
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.