Self-centered and Unappreciated

Self-centered adjective - Overly concerned with one's own desires, needs, or interests.

Unappreciated and self-centered are semantically related In some cases you can use "Unappreciated" instead an adjective phrase "Self-centered".

Unappreciated adjective - Not likely to be appreciated by those who benefit.

Self-centered and unappreciated are semantically related in thankless topic. You can use "Self-centered" instead an adjective "Unappreciated".