Deep-rooted and Inner

Deep-rooted adjective - Firmly established over time.

Inner and deep-rooted are semantically related in intimate topic. In some cases you can use "Inner" instead an adjective phrase "Deep-rooted", when it comes to topics like intrinsic.

Inner adjective - Situated farther in.

Deep-rooted and inner are semantically related in intrinsic topic. Sometimes you can use "Deep-rooted" instead an adjective "Inner", if it concerns topics such as mental.