ravel

noun 0.675

rampart

noun 0.576

rondel

noun 0.567

battlement

noun 0.561

ravelling

noun 0.561

redoubt

noun 0.556

culverin

noun 0.545

rav

noun 0.535

rill

noun 0.534

arbalest

noun 0.531

revetment

noun 0.528

raddle

noun 0.521

rivet

noun 0.521

bulwark

noun 0.515

casemate

noun 0.514

rille

noun 0.514

railing

noun 0.513

parapet

noun 0.512

riffle

noun 0.512

riel

noun 0.512

rifling

noun 0.511

rabbet

noun 0.508

turret

noun 0.508

rowel

noun 0.507

ramp

noun 0.507

riddling

noun 0.505

roundelay

noun 0.503

barbican

noun 0.503

rial

noun 0.502