Footing and Understructure

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

Understructure and footing are semantically related in foundation topic. In some cases you can use "Understructure" instead a noun "Footing".

Nearby Words: foot, foothold, footway

Understructure noun - Lowest support of a structure.

Footing and understructure are semantically related in basis topic. You can use "Footing" instead a noun "Understructure", if it concerns topics such as foundation, basis for something physical or mental.