subgrade

noun 0.723

roadbase

noun 0.706

substratum

noun 0.687

subsurface

noun 0.673

sub-bass

noun 0.645

substructure

noun 0.643

subfloor

noun 0.637

subsoil

noun 0.634

sub

noun 0.622

basement

noun 0.617

sublayer

noun 0.613

basis

noun 0.604

substrate

noun 0.603

subframe

noun 0.600

undersurface

noun 0.597

subband

noun 0.582

subspace

noun 0.582

subtable

noun 0.580

freebase

noun 0.579

subnitrate

noun 0.577

subsolution

noun 0.575

underbody

noun 0.573

underground

noun 0.572

subnet

noun 0.571

subservice

noun 0.571

underneath

noun 0.569

subset

noun 0.567

underlay

noun 0.567

installed base

noun 0.566

subpage

noun 0.560

roadbed

noun 0.559

undersection

noun 0.559

subscript

noun 0.556

suber

noun 0.556

subordinate

noun 0.554

underlying

noun 0.553

subform

noun 0.552

subfile

noun 0.552

underside

noun 0.551

underpart

noun 0.550

underpinning

noun 0.550

subarea

noun 0.549

sublattice

noun 0.549

textbase

noun 0.548

underlier

noun 0.548

basal

noun 0.546

subdomain

noun 0.545

baseline

noun 0.543

basecoat

noun 0.543

underplating

noun 0.542

underlayer

noun 0.542

basa

noun 0.542

subcode

noun 0.541

subpart

noun 0.541

subcontract

noun 0.539

basic

noun 0.538

second base

noun 0.537

subtab

noun 0.537

subgovernment

noun 0.537

underpass

noun 0.536

subbing

noun 0.536

subocular

noun 0.536

subcover

noun 0.535

substation

noun 0.535

subway

noun 0.535

bedrock

noun 0.534

socle

noun 0.533

bassline

noun 0.533

underlying set

noun 0.532

basing

noun 0.532

diabase

noun 0.530

subcolumn

noun 0.528

subsoiler

noun 0.527

submenu

noun 0.525

subcase

noun 0.525

subdirectory

noun 0.522

subwoofer

noun 0.521

subblock

noun 0.521

seabed

noun 0.521

sublimit

noun 0.520

subsidence

noun 0.520

subrule

noun 0.520

subtradition

noun 0.520

substep

noun 0.519

submarine

noun 0.519

subdivision

noun 0.517

basal layer

noun 0.517

bass

noun 0.517

basalt

noun 0.516

baza

noun 0.516

subhead

noun 0.516

subordination

noun 0.516

subphylum

noun 0.516

subinterface

noun 0.515

ground cover

noun 0.514

submultiple

noun 0.514

prefix

noun 0.513

submodule

noun 0.513

underfoot

noun 0.513

ground

noun 0.513