Bottom and Substructure

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

Substructure is a synonym for bottom in foundation topic. In some cases you can use "Substructure" instead a noun "Bottom", when it comes to topics like ground, groundwork.

Nearby Words: bottomless, bottomed, bottommost, bottomland, bottoming

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

Bottom is a synonym for substructure in basis topic. You can use "Bottom" instead a noun "Substructure", if it concerns topics such as ground, base, foundation, groundwork.

Nearby Word: substruction