serra

noun 0.613

sere

noun 0.607

seryl

noun 0.561

serge

noun 0.545

esker

noun 0.545

serin

noun 0.539

ice cap

noun 0.537

sear

noun 0.536

sarma

noun 0.535

serape

noun 0.526

ice barrier

noun 0.523

serine

noun 0.523

pack ice

noun 0.518

sard

noun 0.517

serrano

noun 0.517

glacier

noun 0.516

sorbet

noun 0.514

sierra

noun 0.513

sark

noun 0.512

serratus

noun 0.510

sarsen

noun 0.510

sericin

noun 0.509

sarin

noun 0.507

sira

noun 0.507

saran

noun 0.506

sabayon

noun 0.505

crevasse

noun 0.502

raki

noun 0.501

sea ice

noun 0.501