fort

noun 0.752

bastion

noun 0.707

citadel

noun 0.684

bulwark

noun 0.662

blockhouse

noun 0.654

castle

noun 0.647

fortified

noun 0.623

garrison

noun 0.608

bunker

noun 0.607

forte

noun 0.602

rampart

noun 0.587

redoubt

noun 0.578

sandcastle

noun 0.572

garrison town

noun 0.572

fortification

noun 0.570

turret

noun 0.566

safe haven

noun 0.564

fortitude

noun 0.563

sanctum

noun 0.562

firewall

noun 0.562

defense

noun 0.557

fence

noun 0.557

castrum

noun 0.556

refuge

noun 0.555

guardhouse

noun 0.555

defence

noun 0.555

sanctuary

noun 0.553

ironclad

noun 0.551

fortifying

noun 0.547

tower

noun 0.546

stockade

noun 0.546

edifice

noun 0.546

shelter

noun 0.545

presidio

noun 0.543

barrier

noun 0.541

moat

noun 0.540

brick wall

noun 0.540

barbican

noun 0.540

strongpoint

noun 0.539

prison

noun 0.538

barricade

noun 0.538

vault

noun 0.537

strongroom

noun 0.537

outpost

noun 0.535

guard

noun 0.533

main guard

noun 0.533

gatehouse

noun 0.532

fortis

noun 0.532

defender

noun 0.531

battlement

noun 0.530

harbour

noun 0.530

palace

noun 0.530

arsenal

noun 0.529

armour

noun 0.527

impregnability

noun 0.527

strongbox

noun 0.527

armor

noun 0.526

castellum

noun 0.524

sturdy

noun 0.524

barracks

noun 0.522

harbor

noun 0.522

mansion

noun 0.522

wall

noun 0.522

storehouse

noun 0.521

battleship

noun 0.521

foundation

noun 0.520

safehouse

noun 0.518

temple

noun 0.517

building

noun 0.516

siege

noun 0.515

enclosure

noun 0.514

firm

noun 0.512

fastness

noun 0.512

prisonhouse

noun 0.512

enclave

noun 0.511

watchtower

noun 0.511

fortifier

noun 0.510

forge

noun 0.508

bomb shelter

noun 0.507

casemate

noun 0.506

defensive

noun 0.506

bombproof

noun 0.505

lighthouse

noun 0.504

battleground

noun 0.503

powerhouse

noun 0.503

barrack

noun 0.502

castell

noun 0.502

facility

noun 0.502

cornerstone

noun 0.501