permanent way

noun 0.620

ground ice

noun 0.611

permanent

noun 0.610

permeant

noun 0.610

tundra

noun 0.605

cryosphere

noun 0.595

deep freeze

noun 0.592

frost

noun 0.582

perennial

noun 0.575

permanence

noun 0.573

frostbite

noun 0.571

permaculture

noun 0.569

frozenness

noun 0.566

hard freeze

noun 0.559

black frost

noun 0.556

thermokarst

noun 0.554

ice core

noun 0.553

freezing cold

noun 0.547

permanency

noun 0.546

freezing

noun 0.546

nonperishable

noun 0.544

polar ice

noun 0.543

forever

noun 0.541

sea ice

noun 0.538

freezable

noun 0.536

freezing point

noun 0.533

glacier

noun 0.529

frigid zone

noun 0.527

perpetuity

noun 0.523

firn

noun 0.522

freezer

noun 0.522

freeze

noun 0.521

pack ice

noun 0.519

ice barrier

noun 0.518

snow cover

noun 0.516

cold storage

noun 0.516

frostnip

noun 0.513

cryopreservation

noun 0.510

continental glacier

noun 0.507

hypothermia

noun 0.505

imperishable

noun 0.502

hardpan

noun 0.500