self vs consciousness

self and consciousness both are nouns.

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

As nouns, consciousness is a hypernym of self; that is, consciousness is a word with a broader meaning than self:

self: your consciousness of your own identity
consciousness: an alert cognitive state in which you are aware of yourself and your situation

self (noun)	consciousness (noun)
your consciousness of your own identity	an alert cognitive state in which you are aware of yourself and your situation
a person considered as a unique individual	having knowledge of

self (adjective)	consciousness (adjective)
(used as a combining form) relating to--of or by or to or from or for--the self