Ground and Substructure

Ground noun - An immaterial thing upon which something else rests.

Substructure and ground are semantically related in base topic. In some cases you can use "Substructure" instead a noun "Ground", when it comes to topics like groundwork.

Nearby Words: grounded, groundwork, groundless, grounding, groundsman

Substructure noun - The basic structure or features of a system or organization.

Ground and substructure are semantically related in base topic. You can use "Ground" instead a noun "Substructure", if it concerns topics such as basis, bottom, foundation, groundwork.

Nearby Word: substruction