Inner and Intramural

Inner adjective - Situated farther in.

Intramural and inner are semantically related in internal topic. In some cases you can use "Intramural" instead an adjective "Inner".

Intramural adjective - Carried on within the bounds of an institution or community.

Inner and intramural are semantically related in interior topic. You can use "Inner" instead an adjective "Intramural", if it concerns topics such as within.