cellar

noun 0.722

bomb shelter

noun 0.660

air-raid shelter

noun 0.646

crawl space

noun 0.628

wine cellar

noun 0.620

souterrain

noun 0.613

beer cellar

noun 0.612

bunker

noun 0.606

basement

noun 0.598

fallout shelter

noun 0.594

storm sewer

noun 0.580

cellarage

noun 0.575

underground

noun 0.566

missile silo

noun 0.561

cesspool

noun 0.558

undercroft

noun 0.547

strongroom

noun 0.547

cellarer

noun 0.545

storage cell

noun 0.542

keller

noun 0.540

culvert

noun 0.540

storm cloud

noun 0.536

crawlway

noun 0.535

cesspit

noun 0.527

foxhole

noun 0.526

bolthole

noun 0.526

earth closet

noun 0.525

cavern

noun 0.525

panic room

noun 0.521

sinkhole

noun 0.521

vault

noun 0.520

cistern

noun 0.519

hot cell

noun 0.519

supercell

noun 0.516

hellhole

noun 0.516

manhole

noun 0.515

dugout

noun 0.514

burrow

noun 0.512

cave

noun 0.506

shelter

noun 0.506

hiding place

noun 0.503

cold storage

noun 0.503

storm door

noun 0.502

tornado

noun 0.502