fosse

noun 0.718

foss

noun 0.705

nasal fossa

noun 0.680

fissure

noun 0.629

fossorial

noun 0.600

glenoid fossa

noun 0.599

sulcus

noun 0.592

cavity

noun 0.588

fovea

noun 0.585

fistula

noun 0.564

trench

noun 0.558

sylvian fissure

noun 0.556

cave

noun 0.543

cesspit

noun 0.537

pit

noun 0.536

fess

noun 0.533

foramen

noun 0.533

kloof

noun 0.533

moat

noun 0.532

basin

noun 0.532

cavern

noun 0.531

cesspool

noun 0.530

ditch

noun 0.527

lacuna

noun 0.527

burrow

noun 0.526

lacune

noun 0.524

chasm

noun 0.524

profunda

noun 0.523

fossil

noun 0.523

falx

noun 0.521

sinus

noun 0.521

fetus

noun 0.516

follicle

noun 0.515

oceanic trench

noun 0.514

rathole

noun 0.513

furrow

noun 0.513

fonds

noun 0.513

trough

noun 0.512

dugout

noun 0.512

fjord

noun 0.512

sinkhole

noun 0.509

foxhole

noun 0.509

alveolus

noun 0.509

incisura

noun 0.509

vallecula

noun 0.507

grotto

noun 0.505

fungus

noun 0.504

cist

noun 0.504

hof

noun 0.503

funda

noun 0.502

cisterna

noun 0.502

pelvis

noun 0.501

fascia

noun 0.501