fossa

noun 0.705

fosse

noun 0.681

fossil

noun 0.670

fossorial

noun 0.602

moss

noun 0.585

trace fossil

noun 0.584

forest

noun 0.579

mossy

noun 0.569

nasal fossa

noun 0.559

fossil fuel

noun 0.556

fount

noun 0.551

fess

noun 0.551

fork

noun 0.551

fox

noun 0.551

fers

noun 0.549

floss

noun 0.542

subfossil

noun 0.540

coss

noun 0.536

fissure

noun 0.535

index fossil

noun 0.535

trove

noun 0.533

fjord

noun 0.529

fossil water

noun 0.526

fossil record

noun 0.526

foreshore

noun 0.525

forage

noun 0.523

fountain

noun 0.521

foin

noun 0.516

fell

noun 0.515

fossilisation

noun 0.515

fucus

noun 0.514

foster

noun 0.514

fals

noun 0.512

foo

noun 0.512

fern

noun 0.510

fuzz

noun 0.508

fort

noun 0.507

folder

noun 0.506

ross

noun 0.505

fovea

noun 0.504

treasure trove

noun 0.502

fob

noun 0.502

floe

noun 0.501

fault

noun 0.501