continental shelf

noun 0.690

midslope

noun 0.634

sloping

noun 0.621

slope

noun 0.611

downslope

noun 0.606

slope field

noun 0.606

seafloor

noun 0.603

oceanic trench

noun 0.587

declivity

noun 0.583

downsloping

noun 0.580

deep sea

noun 0.577

escarpment

noun 0.560

upslope

noun 0.542

mid-oceanic ridge

noun 0.541

seafloor spreading

noun 0.537

cliffside

noun 0.535

syncline

noun 0.534

subduction zone

noun 0.532

seabed

noun 0.528

cliff

noun 0.517

subduction

noun 0.514

steep

noun 0.508

sulcus

noun 0.504

trench

noun 0.501