cornerstone

noun 0.673

staple

noun 0.667

stalwart

noun 0.609

mainprise

noun 0.602

main

noun 0.602

mainstream

noun 0.573

steady

noun 0.558

core constituency

noun 0.551

keystone

noun 0.550

main guard

noun 0.540

stably

noun 0.539

stable

noun 0.539

backstay

noun 0.539

stay

noun 0.539

anchor tenant

noun 0.538

centrepiece

noun 0.538

sheet anchor

noun 0.535

mainspring

noun 0.534

bastion

noun 0.533

basis

noun 0.533

strongpoint

noun 0.533

stayer

noun 0.532

predominant

noun 0.531

standby

noun 0.529

stabilizer

noun 0.526

major

noun 0.524

major piece

noun 0.524

keynote

noun 0.522

main drag

noun 0.522

essential

noun 0.521

mainmast

noun 0.521

linchpin

noun 0.520

standing

noun 0.518

main line

noun 0.518

centre stage

noun 0.518

forefront

noun 0.518

master status

noun 0.518

stead

noun 0.518

mainstage

noun 0.517

fundamental

noun 0.517

staying

noun 0.517

stand

noun 0.516

sustenance

noun 0.516

anchorhold

noun 0.516

stabile

noun 0.515

stander

noun 0.515

mainline

noun 0.513

fundament

noun 0.512

backbone

noun 0.511

sustaining

noun 0.511

dependable

noun 0.509

underpinning

noun 0.509

steadfastness

noun 0.509

forestay

noun 0.509

mains

noun 0.508

sturdy

noun 0.508

stanchion

noun 0.508

paramount

noun 0.508

bulwark

noun 0.508

touchstone

noun 0.507

part of the furniture

noun 0.507

workhorse

noun 0.507

flagship

noun 0.507

support

noun 0.506

leading motive

noun 0.505

indispensable

noun 0.504

center stage

noun 0.503

must-have

noun 0.503

mainframe

noun 0.502

hallmark

noun 0.502

primary

noun 0.500