crater

noun 0.797

impact crater

noun 0.706

krater

noun 0.664

cratering

noun 0.660

caldera

noun 0.660

lake

noun 0.642

dry lake

noun 0.603

volcano

noun 0.550

crag

noun 0.535

supervolcano

noun 0.528

lagoon

noun 0.527

cavern

noun 0.526

lakewater

noun 0.525

blue hole

noun 0.523

lava dome

noun 0.518

craton

noun 0.516

oxbow lake

noun 0.513

active volcano

noun 0.511

sinkhole

noun 0.510

glacier

noun 0.509

crystal

noun 0.509

national park

noun 0.509

crake

noun 0.502

crevice

noun 0.500