dead-end

noun 0.618

dead end

noun 0.614

cavity

noun 0.556

impasse

noun 0.550

cloaca

noun 0.546

caecum

noun 0.545

coccyx

noun 0.539

back passage

noun 0.539

cesspit

noun 0.536

cesspool

noun 0.536

saccule

noun 0.531

culvert

noun 0.527

cervix

noun 0.523

sulcus

noun 0.521

courtyard

noun 0.519

tailbone

noun 0.513

sac

noun 0.513

curtilage

noun 0.513

traffic circle

noun 0.511

vestibule

noun 0.509

hemicycle

noun 0.508

coccygeus

noun 0.508

rear end

noun 0.507

pelvic

noun 0.507

culet

noun 0.507

recto

noun 0.507

closed loop

noun 0.506

semicircle

noun 0.506

lacuna

noun 0.505

circular

noun 0.503

loculus

noun 0.502

sacrum

noun 0.501