self-centered vs egoistic

self-centered and egoistic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
self-centered	No	Yes	No	No
egoistic	No	Yes	No	No

As adjectives, self-centered and egoistic are synonyms defined as:

self-centered and egoistic: concerned chiefly or only with yourself and your advantage to the exclusion of others

Other synonyms of self-centered include egocentric, egoistical, self-centred, self-seeking, self-serving, selfish.

self-centered (adjective)	egoistic (adjective)
concerned chiefly or only with yourself and your advantage to the exclusion of others	concerned chiefly or only with yourself and your advantage to the exclusion of others