Từ đồng nghĩa của understructure

bed base foundation bottom footing groundwork support underpinning basis substructure bedrock substratum floor prop seat core stay layer heap mass mound pile band seam stratum ground foot keystone cornerstone warp root infrastructure warp and woof platform fundament basement base position seating groundwall guts substance stage plinth mounting stand anchor socle pier rock bed rock bottom podium solid foundation solid rock rock layer pillar dais dado column pedestal fundamentals basics essentials rudiments underpinnings ABCs brass tacks nitty-gritty nuts and bolts rest buttress frame crux heart principle post backbone center centre backing stanchion upright abutment bracket underprop fundamental foothold rudiment piling cutwater rod essence lowest part mount bedding bulwark pilaster kernel nucleus nub gird trestle stake premise keynote brace mainstay mainspring linchpin main ingredient centerpiece fundamental principle centrepiece starting point lynchpin crown grounding guiding principle nether portion lowest point first principle underlayer subfloor undergirding holder shelf bridgehead nadir rule underneath rack resting place tripod hook deepest part roots sine qua non key gist quintessence essentiality point pediment focus belly underside pith stuff soul meat essential central component pivot marrow sum quick net nubbin vital element foundation stone key element bull's-eye bottom line meat and potatoes structure hold reinforcement edifice setup fabric framework fulcrum skeleton shell armature framing architecture configuration cadre stave joist stilt rampart scaffold pole device arch rafter back medium truss cantilever shoring shore stiffener rib peg block timber guide collar flotation means beam girder spur bearing sustentation lining organization arrangement underbuilding organisation thrust axiom theory postulate law beginning source nexus authority antecedent explanation background dictum fundamental point principal element principal constituent point of departure chief ingredient

basement cellar crypt vault catacomb undercroft dunny sub-basement excavation storage substructure underbuilding below stairs garden flat underground room furnace room subterranean room lower ground floor subbasement subterrane apartment

understructures understudied understudies understudy understudying undersubsidized under stress under-strength under strength understrength understream understrappers