egocentric vs self-seeking

egocentric and self-seeking both are nouns.

Word	Noun	Adjective	Verb	Adverb
egocentric	Yes	Yes	No	No
self-seeking	Yes	Yes	No	No

As adjectives, egocentric and self-seeking are synonyms defined as:

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

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

egocentric (noun)	self-seeking (noun)
a self-centered person with little regard for others	taking advantage of opportunities without regard for the consequences for others

egocentric (adjective)	self-seeking (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