cleft

noun 0.630

gulch

noun 0.621

crevice

noun 0.605

gully

noun 0.587

coulee

noun 0.582

fissure

noun 0.578

vlei

noun 0.576

sulcus

noun 0.566

crevasse

noun 0.562

loch

noun 0.561

gullet

noun 0.553

canyon

noun 0.550

cove

noun 0.550

gorge

noun 0.543

furrow

noun 0.539

gouge

noun 0.536

couloir

noun 0.535

kerf

noun 0.534

cleavage

noun 0.533

fossa

noun 0.533

grove

noun 0.533

knothole

noun 0.531

cleave

noun 0.531

loof

noun 0.528

groove

noun 0.527

trough

noun 0.523

deep cut

noun 0.523

valley

noun 0.521

cleavage furrow

noun 0.520

trench

noun 0.518

cliff

noun 0.517

slit

noun 0.515

fjord

noun 0.513

cave

noun 0.511

cloven hoof

noun 0.510

cavern

noun 0.509

sinkhole

noun 0.509

gutter

noun 0.508

alcove

noun 0.507

kraal

noun 0.506

chasm

noun 0.505

khlong

noun 0.502

gulf

noun 0.502

cranny

noun 0.501