Self-conceit is a related term of egoism.
As nouns the difference between self-conceit and egoism
is that self-conceit
is conceit of one's self; an overweening opinion of one's powers or endowments; vanity while egoism
Conceit of one's self; an overweening opinion of one's powers or endowments; vanity.
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)