underfloor

noun 0.748

floorboard

noun 0.699

flooring

noun 0.699

deck floor

noun 0.667

subgrade

noun 0.647

underlay

noun 0.640

subbase

noun 0.637

floor

noun 0.636

subframe

noun 0.627

underfoot

noun 0.626

underfloor heating

noun 0.612

ground floor

noun 0.607

laminate flooring

noun 0.599

floorplate

noun 0.595

basement

noun 0.594

substructure

noun 0.588

first floor

noun 0.585

subsoil

noun 0.585

slab on grade

noun 0.584

floorspace

noun 0.583

substratum

noun 0.583

soffit

noun 0.581

undersurface

noun 0.581

subsurface

noun 0.580

seafloor

noun 0.579

groundsheet

noun 0.573

sublayer

noun 0.572

crawl space

noun 0.571

underplating

noun 0.561

floor exercise

noun 0.561

underneath

noun 0.560

substrate

noun 0.559

underlayer

noun 0.558

souterrain

noun 0.555

footing

noun 0.553

underpinning

noun 0.551

underbody

noun 0.550

underground

noun 0.550

underside

noun 0.547

undercroft

noun 0.547

drywall

noun 0.546

subwoofer

noun 0.545

footwell

noun 0.544

footboard

noun 0.543

floorcloth

noun 0.543

shopfloor

noun 0.542

drill floor

noun 0.540

roadbed

noun 0.539

subway

noun 0.538

sub

noun 0.537

skirting board

noun 0.537

subcontract

noun 0.536

outsole

noun 0.535

ceiling

noun 0.534

baseboard

noun 0.533

footer

noun 0.533

plywood

noun 0.532

undercoat

noun 0.530

particle board

noun 0.530

screed

noun 0.529

floor plan

noun 0.528

downstairs

noun 0.525

sales floor

noun 0.524

waferboard

noun 0.523

sole

noun 0.523

subform

noun 0.523

subcontractor

noun 0.523

roof

noun 0.522

subtable

noun 0.522

dropped ceiling

noun 0.522

underpart

noun 0.522

insole

noun 0.521

ground cover

noun 0.521

subfile

noun 0.520

slab

noun 0.519

between decks

noun 0.519

sheet rock

noun 0.518

square foot

noun 0.518

socle

noun 0.518

underplate

noun 0.516

undercoating

noun 0.515

subtenant

noun 0.514

subfolder

noun 0.514

joist

noun 0.513

undercarriage

noun 0.513

carpet

noun 0.513

price floor

noun 0.511

subspace

noun 0.511

underpass

noun 0.511

roofing

noun 0.511

floor function

noun 0.510

hardboard

noun 0.510

hardwood

noun 0.510

fundament

noun 0.509

sub-bass

noun 0.509

sublease

noun 0.508

footpad

noun 0.507

subphylum

noun 0.506

plasterboard

noun 0.505

dance floor

noun 0.505