flint

noun 0.792

flintwork

noun 0.725

floatstone

noun 0.649

flint glass

noun 0.644

flagstone

noun 0.626

fieldstone

noun 0.610

flintlock

noun 0.606

flintknapping

noun 0.596

stone

noun 0.564

freestone

noun 0.563

face brick

noun 0.553

stone hammer

noun 0.552

flowstone

noun 0.549

hardstone

noun 0.540

flamingo

noun 0.539

fluorite

noun 0.539

flannel

noun 0.536

pebble

noun 0.535

fluorspar

noun 0.533

sandstone

noun 0.527

flivver

noun 0.526

bloodstone

noun 0.525

rock face

noun 0.525

caveman

noun 0.522

flapper

noun 0.521

firebrick

noun 0.519

rockhead

noun 0.519

fossil

noun 0.519

brick

noun 0.517

bluestone

noun 0.516

ironstone

noun 0.515

pitchstone

noun 0.510

stoniness

noun 0.510

granite

noun 0.509

fluoride

noun 0.507

fire brick

noun 0.507

fire clay

noun 0.507

flannelette

noun 0.504

siltstone

noun 0.502

gritstone

noun 0.502

gemstone

noun 0.501

flatiron

noun 0.500