subbase

noun 0.706

roadbed

noun 0.649

basis

noun 0.619

subgrade

noun 0.596

freebase

noun 0.586

roadbuilding

noun 0.574

basing

noun 0.570

asphalt concrete

noun 0.567

baseline

noun 0.565

road

noun 0.564

asphalt

noun 0.563

air base

noun 0.560

bedrock

noun 0.554

installed base

noun 0.552

landbase

noun 0.548

basalt

noun 0.546

textbase

noun 0.543

codebase

noun 0.542

roadwork

noun 0.542

basic

noun 0.535

roading

noun 0.530

bitumen

noun 0.526

baza

noun 0.523

byroad

noun 0.523

basecoat

noun 0.522

blacktop

noun 0.522

bauxite

noun 0.522

basa

noun 0.518

tarmac

noun 0.517

ballast

noun 0.514

boundstone

noun 0.510

wheelbase

noun 0.510

blue metal

noun 0.510

base camp

noun 0.508

second base

noun 0.505

gravel

noun 0.503

substratum

noun 0.503