1
backing(noun, hold, block, back, base)
1
backside
1
baseboard
1
bearing wall
1
behind
1
bilge
1
block(noun, hold, back, base, foundation)
1
brace(noun, hold, block, back, base)
1
buns
1
buttocks
1
buttress(noun, hold, block, back, base)
1
can
1
collar(noun, hold, block, back, base)
1
column(noun, hold, block, back, base)
1
core(noun, organization, area, material, arrangement)
1
corpus(noun, organization, area, material, arrangement)
1
creation
1
crux(noun, organization, area, material, arrangement)
1
dado(noun, base)
1
deepest part
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). substructure thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/substructure/thesaurus/synonyms
ChicagoSmart Define. 2015. "substructure thesaurus" https://smartdefine.org/substructure/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, substructure thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/substructure/thesaurus/synonyms>.
MLASmart Define. "substructure thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/substructure/thesaurus/synonyms>