base
basement
basis
bearing wall
bed
bedding
bedrock
bottom
floor
flooring
fond
footing
foundation
fundament
fundamental
ground
grounds
groundwork
hardpan
infrastructure
pavement
principle
radical
riprap
rock bottom
rudiment
seat
sill
solid ground
solid rock
stereobate
stylobate
substratum
substruction
terra firma
underbuilding
undercarriage
undergirding
underpinning
understruction
understructure
structure
amidship
calorimetric
candlepower
case-by-case
chubb
deviser
fetichistic
gravimetric
half-dollar
inxuence
notself
predetermination
redbrick
religionism
scriptorium
tower-like
underframe