As nouns the difference between egocentric and egoism
is that egocentric
is a person who is egocentric while egoism
As an adjective egocentric
is selfish, self-centered.
Other Comparisons: What's the difference?
Relating to spatial representations: linked to a reference frame based on one's own location within the environment (as when giving the direction as "right" rather than "north"); opposed to allocentric.
A person who is egocentric.
The tendency to think selfishly with exclusive self-interest in mind.
(ethics) The belief that moral behavior should be directed toward one's self-interest only.
(nonstandard, by confusion of the similar words) egotism
* (tendency to think of self) selfishness
* (tendency to think of self) altruism
* misanthropy (hatred of human race)