coal

noun 0.662

coal black

noun 0.631

coal bed

noun 0.619

mineral coal

noun 0.612

mullock

noun 0.607

colluvium

noun 0.600

brown coal

noun 0.593

charbon

noun 0.591

coal tar

noun 0.589

coalface

noun 0.581

coal train

noun 0.581

coal seam

noun 0.579

cumulate

noun 0.578

anthracite

noun 0.577

culmen

noun 0.572

crummy

noun 0.572

coaling

noun 0.572

cullet

noun 0.568

coalfield

noun 0.566

clunch

noun 0.565

colliery

noun 0.561

coking coal

noun 0.561

coalman

noun 0.559

cullin

noun 0.552

lignite

noun 0.549

haulm

noun 0.549

cume

noun 0.546

clump

noun 0.544

cinder

noun 0.544

coalmining

noun 0.540

collier

noun 0.540

clinker

noun 0.536

dunghill

noun 0.534

coal plant

noun 0.533

marl

noun 0.533

brunt

noun 0.531

mull

noun 0.529

crump

noun 0.529

cowdung

noun 0.529

crumple

noun 0.529

clod

noun 0.528

coal oil

noun 0.526

charcoal

noun 0.526

cull

noun 0.525

concretum

noun 0.524

cobble

noun 0.523

coal merchant

noun 0.523

cummingtonite

noun 0.521

crude

noun 0.521

black mud

noun 0.520

crumb

noun 0.520

crumble

noun 0.520

carbon

noun 0.520

quern

noun 0.519

cumulation

noun 0.519

coom

noun 0.518

clumps

noun 0.518

silt

noun 0.516

cumin

noun 0.515

curium

noun 0.514

muck

noun 0.514

culler

noun 0.513

coltan

noun 0.512

red mud

noun 0.512

gangue

noun 0.512

cumulus

noun 0.511

col

noun 0.511

cumulene

noun 0.510

mud

noun 0.509

manure

noun 0.509

slag

noun 0.509

mulch

noun 0.508

coalminer

noun 0.507

crumpling

noun 0.507

lump

noun 0.506

tump

noun 0.506

grime

noun 0.506

black carbon

noun 0.505

solum

noun 0.505

dirt

noun 0.505

clay

noun 0.503

firn

noun 0.503

bituminous

noun 0.503

coal gas

noun 0.502

calk

noun 0.502

lumpen

noun 0.502

bitumen

noun 0.501

sludge

noun 0.500

chert

noun 0.500

brimstone

noun 0.500

alum

noun 0.500