selfish vs self-centered

selfish and self-centered both are adjectives.

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

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

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

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

selfish (adjective)	self-centered (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