ego vs self

ego and self both are nouns.

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

As nouns, ego and self are synonyms defined as:

ego (noun)	self (noun)
(psychoanalysis) the conscious mind	your consciousness of your own identity
your consciousness of your own identity	a person considered as a unique individual
an inflated feeling of pride in your superiority to others

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