bastion

noun 0.687

rampart

noun 0.668

fortress

noun 0.662

bolster

noun 0.630

buttress

noun 0.616

blockhouse

noun 0.615

stalwart

noun 0.612

barrier

noun 0.604

breastwork

noun 0.600

block wall

noun 0.592

breakwater

noun 0.592

buckler

noun 0.591

barricade

noun 0.590

battlement

noun 0.589

safeguard

noun 0.589

guard

noun 0.582

firewall

noun 0.582

bolstering

noun 0.580

sturdy

noun 0.579

brick wall

noun 0.579

bulkhead

noun 0.577

citadel

noun 0.573

wall

noun 0.571

windbreak

noun 0.569

armor

noun 0.564

backbone

noun 0.559

bollard

noun 0.556

balustrade

noun 0.554

cornerstone

noun 0.550

fireguard

noun 0.550

bunker

noun 0.550

fence

noun 0.548

bombproof

noun 0.546

baluster

noun 0.546

defence

noun 0.544

defender

noun 0.543

armour

noun 0.541

barbican

noun 0.540

main guard

noun 0.539

buff

noun 0.538

fort

noun 0.538

hedge

noun 0.537

seawall

noun 0.535

redoubt

noun 0.535

vallum

noun 0.533

fortitude

noun 0.533

guardian

noun 0.531

defense

noun 0.530

shield

noun 0.530

ironclad

noun 0.528

retaining wall

noun 0.526

bodyguard

noun 0.525

backstop

noun 0.525

headwall

noun 0.524

burh

noun 0.524

guarding

noun 0.523

blockwork

noun 0.521

strongpoint

noun 0.521

buoy

noun 0.520

protector

noun 0.518

bulbul

noun 0.518

stockade

noun 0.516

vanguard

noun 0.516

parapet

noun 0.516

fire guard

noun 0.516

ravelin

noun 0.515

warder

noun 0.515

armorbearer

noun 0.513

bull

noun 0.513

blockade

noun 0.512

corbel

noun 0.511

firebreak

noun 0.511

border

noun 0.510

protective

noun 0.508

arbalest

noun 0.508

fortified

noun 0.508

mainstay

noun 0.508

boulder

noun 0.508

watchman

noun 0.507

fortifying

noun 0.505

bulldog

noun 0.505

strongback

noun 0.505

balustrading

noun 0.503

white shield

noun 0.503

windbreaker

noun 0.502

walling

noun 0.502

turret

noun 0.501

barrer

noun 0.501

boundary

noun 0.501

sturdiness

noun 0.501

bower

noun 0.501