glacial drift

noun 0.737

tillite

noun 0.679

glacial

noun 0.674

glacial erratic

noun 0.642

till

noun 0.610

glacier

noun 0.582

continental glacier

noun 0.582

moraine

noun 0.569

talus

noun 0.561

glaciation

noun 0.561

glacis

noun 0.561

tillage

noun 0.557

ground ice

noun 0.551

drumlin

noun 0.516

glaciologist

noun 0.511

gyttja

noun 0.509

alluvium

noun 0.508

silt

noun 0.505

gelifluction

noun 0.500