egoism

As nouns the difference between egoism and conceit

is that egoism is the tendency to think selfishly with exclusive self-interest in mind while conceit is something conceived in the mind; an idea, a thought.

As a verb conceit is

to form an idea; to think.

As nouns the difference between solipsism and egoism

is that solipsism is the theory that the self is all that exists or that can be proven to exist while egoism is the tendency to think selfishly with exclusive self-interest in mind.

In ethics terms the difference between nihilism and egoism

is that nihilism is the rejection of inherent or objective moral principles while egoism is the belief that moral behavior should be directed toward one's self-interest only.

As nouns the difference between nihilism and egoism

is that nihilism is a philosophical doctrine grounded on the negation of one or more meaningful aspects of life while egoism is the tendency to think selfishly with exclusive self-interest in mind.

As nouns the difference between egoism and egocentrism

is that egoism is while egocentrism is the constant following of one's egotistical desires to an extreme.

As nouns the difference between egoism and asceticism

is that egoism is while asceticism is the principles and practices of an ascetic; extreme self-denial and austerity.

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 is the tendency to think selfishly with exclusive self-interest in mind.

As nouns the difference between tolerance and egoism

is that tolerance is tolerance while egoism is .

As nouns the difference between indignation and egoism

is that indignation is an anger aroused by something perceived as an indignity, notably an offense or injustice while egoism is .

As nouns the difference between egocentric and egoism

is that egocentric is a person who is egocentric while egoism is .

As an adjective egocentric

is selfish, self-centered.

As nouns the difference between egoism and perfectionism

is that egoism is the tendency to think selfishly with exclusive self-interest in mind while perfectionism is a dislike for anything less than perfection.