Self-conscious and Tongue-tied

Self-conscious adjective - Aware of yourself as an individual or of your own being and actions and thoughts.

Tongue-tied and self-conscious are semantically related. In some cases you can use "Tongue-tied" instead an adjective phrase "Self-conscious".

Tongue-tied adjective - Unable to express yourself clearly or fluently.

Self-conscious and tongue-tied are semantically related. Sometimes you can use "Self-conscious" instead an adjective phrase "Tongue-tied".