Following are all the groundsill like words, in the list below.
TIMBER
100% like groundsill
SCANTLING
100% like groundsill
SILE
100% like groundsill
GIRDER
100% like groundsill
SILL
100% like groundsill
GRILLAGE
100% like groundsill
NEEDLE BEAM
100% like groundsill
JOIST
100% like groundsill
LEDGER
100% like groundsill
BARLING
100% like groundsill
RAFTERING
100% like groundsill
RAISING PIECE
100% like groundsill
GIRT
100% like groundsill
ROOFBEAM
100% like groundsill
SUMMER-PIECE
100% like groundsill
BEAM
100% like groundsill
LIGGER
100% like groundsill
GAIN
100% like groundsill
RIDGE BEAM
100% like groundsill
STRUT
100% like groundsill
BALK
100% like groundsill
RICKSTAND
100% like groundsill
RAISING PLATE
100% like groundsill
SANDWICH GIRDER
100% like groundsill
JACK TIMBER
100% like groundsill
SLEEPER
100% like groundsill
WALL PLATE
100% like groundsill
BOLSTER
100% like groundsill
STRETCHER
100% like groundsill
FOOTPLATE
100% like groundsill
RANTLE-TREE
100% like groundsill
TORSEL
100% like groundsill
CONTIGNATION
100% like groundsill
PLATE GIRDER
100% like groundsill
PILING
100% like groundsill
RAFTER
100% like groundsill
BENT
100% like groundsill
SOLIVE
100% like groundsill
SUMMER
100% like groundsill
SPRING BEAM
100% like groundsill
COLLAR BEAM
100% like groundsill
STUDWORK
100% like groundsill
RIDGEPOLE
100% like groundsill
ASHLARING
100% like groundsill
TIEBEAM
100% like groundsill
LEDGE
100% like groundsill
STRINGPIECE
100% like groundsill
BOX GIRDER
100% like groundsill
GROUND
100% like groundsill
NOGGING
100% like groundsill
TIMBER FRAMING
100% like groundsill
PILE
100% like groundsill
POLE PLATE
100% like groundsill
TAIL-BAY
100% like groundsill
HEEL
100% like groundsill
PUTLOG
100% like groundsill
GIRDERING
100% like groundsill
GATELEG
100% like groundsill
GALLOWS
100% like groundsill
FLOOR
100% like groundsill
NEEDLE
100% like groundsill
STADDLE
100% like groundsill
LEG BRIDGE
100% like groundsill
LINTEL
100% like groundsill
LADDER BEAM
100% like groundsill
FRAMEWORK
100% like groundsill
PITCHING PIECE
100% like groundsill
TRANSOM
100% like groundsill
GIRTH
100% like groundsill
GAVEL
100% like groundsill
CROSSBEAM
100% like groundsill
STRAINING BEAM
100% like groundsill
STILT
100% like groundsill
PIT PROP
100% like groundsill
SAWHORSE
100% like groundsill
FIRMS
100% like groundsill
CRIPPLING
100% like groundsill
TRUSSING
100% like groundsill
SUMMERTREE
100% like groundsill
FOOTING
100% like groundsill
JACK RAFTER
100% like groundsill
TRIMMER
100% like groundsill
UNDERSILL
100% like groundsill
STILTING
100% like groundsill
TIE BEAM
100% like groundsill
STELL
100% like groundsill
DIAGRID
100% like groundsill
CRUCK
100% like groundsill
DWANG
100% like groundsill
STRINGER
100% like groundsill
LEDGMENT
100% like groundsill
COLONETTE
100% like groundsill
PRINCIPAL
100% like groundsill
STAPLE
100% like groundsill
WINDOWSILL
100% like groundsill
PIER
100% like groundsill
PURLIN
100% like groundsill
SHAFT
100% like groundsill
BATTEN
100% like groundsill
BUNDLE PILLAR
100% like groundsill