* Egocentric: Self-centered, focused on oneself.
* Egomania: An obsessive preoccupation with oneself and one's own importance.
* Egotism: The practice of talking about oneself excessively.
* Egocentricity: The quality of being egocentric.
* Egomaniac: A person with an inflated sense of their own importance.
* Egocentrism: The inability to see things from another person's point of view.
* Egoistical: Selfish, concerned only with oneself.
These words all relate to the concept of the ego, which is the part of the self that is conscious of itself and its identity. They describe different aspects of the ego, from its healthy and normal functioning to its more extreme and problematic manifestations.