egoistical vs selfish

egoistical and selfish both are adjectives.

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

As adjectives, egoistical and selfish are synonyms defined as:

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

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

egoistical (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