egoistic vs selfish

egoistic and selfish both are adjectives.

Word	Noun	Adjective	Verb	Adverb
egoistic	No	Yes	No	No
selfish	No	Yes	No	No

As adjectives, egoistic and selfish are synonyms defined as:

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

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

egoistic (adjective)	selfish (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