keystone

noun 0.693

touchstone

noun 0.688

mainstay

noun 0.673

fundament

noun 0.672

capstone

noun 0.660

core

noun 0.647

foundation

noun 0.630

corner

noun 0.628

fundamental

noun 0.613

bedrock

noun 0.613

landmark

noun 0.607

centrepiece

noun 0.603

basis

noun 0.602

hallmark

noun 0.598

stone

noun 0.595

staple

noun 0.593

core competency

noun 0.593

backbone

noun 0.590

stepping stone

noun 0.588

core switch

noun 0.581

keynote

noun 0.581

underpinning

noun 0.577

boundstone

noun 0.577

bastion

noun 0.577

core sample

noun 0.576

linchpin

noun 0.570

fulcrum

noun 0.567

fieldstone

noun 0.566

crux

noun 0.566

anchor

noun 0.565

quoin

noun 0.564

standing stone

noun 0.563

pinnacle

noun 0.558

bulwark

noun 0.550

fondamento

noun 0.549

core constituency

noun 0.547

major piece

noun 0.543

headstone

noun 0.543

central

noun 0.540

strongpoint

noun 0.539

groundwork

noun 0.538

millstone

noun 0.538

milestone

noun 0.536

microfoundation

noun 0.534

core curriculum

noun 0.531

structure

noun 0.531

kerbstone

noun 0.530

centre stage

noun 0.530

square one

noun 0.530

axiom

noun 0.530

essential

noun 0.528

forefront

noun 0.527

centrality

noun 0.526

principle

noun 0.526

cement

noun 0.524

sheet anchor

noun 0.523

centroid

noun 0.522

centre-back

noun 0.522

anchor tenant

noun 0.522

flagstone

noun 0.521

ground

noun 0.520

edifice

noun 0.519

pedestal

noun 0.519

primary

noun 0.519

crucible

noun 0.517

vertex

noun 0.516

core loss

noun 0.516

standpoint

noun 0.515

flagship

noun 0.515

criterion

noun 0.514

focal point

noun 0.513

compass point

noun 0.512

anchor light

noun 0.512

ponent

noun 0.510

basic

noun 0.510

stand

noun 0.510

premise

noun 0.510

standing

noun 0.509

brick

noun 0.509

tentpole

noun 0.507

tombstone

noun 0.507

plinth

noun 0.507

paramount

noun 0.506

gravestone

noun 0.505

main

noun 0.504

bricks and mortar

noun 0.504

concrete

noun 0.503

brick wall

noun 0.502

centrum

noun 0.501

monument

noun 0.501

fortress

noun 0.501

key

noun 0.501