Self-interest and Self-possession

Self-interest noun - Excessive interest in oneself.

Self-possession and self-interest are semantically related. in egotism topic. In some cases you can use "Self-possession" instead a noun phrase "Self-interest", when it comes to topics like egoism, self-centeredness.

Self-possession noun - Evenness of emotions or temper.

Self-interest and self-possession are semantically related. Sometimes you can use "Self-interest" instead a noun phrase "Self-possession".