coking

noun 0.794

coal

noun 0.757

coal black

noun 0.741

coal bed

noun 0.735

mineral coal

noun 0.731

coal tar

noun 0.701

coaling

noun 0.701

coal train

noun 0.685

coalface

noun 0.680

coal gas

noun 0.678

coal seam

noun 0.674

coal oil

noun 0.669

coal plant

noun 0.659

coke

noun 0.653

petroleum coke

noun 0.649

coalmining

noun 0.646

coal merchant

noun 0.633

coalfield

noun 0.633

brown coal

noun 0.619

anthracite

noun 0.615

charbon

noun 0.605

coalbed methane

noun 0.599

coalman

noun 0.597

coalminer

noun 0.594

coalfish

noun 0.587

fossil fuel

noun 0.582

cocaine

noun 0.580

colliery

noun 0.580

charcoal

noun 0.573

carbon black

noun 0.566

collier

noun 0.565

culm

noun 0.561

coltan

noun 0.561

rock cocaine

noun 0.556

cobalt

noun 0.554

coker

noun 0.553

carbon oxide

noun 0.550

carbon steel

noun 0.550

black carbon

noun 0.550

carbon dioxide

noun 0.544

crude oil

noun 0.543

activated carbon

noun 0.542

lignite

noun 0.539

carbon

noun 0.537

iron carbide

noun 0.537

coca

noun 0.536

bunker oil

noun 0.533

graphite

noun 0.531

oil sand

noun 0.530

cofiring

noun 0.530

briquette

noun 0.529

town gas

noun 0.528

charcoal iron

noun 0.528

bauxite

noun 0.524

copper ore

noun 0.524

rock oil

noun 0.522

cox

noun 0.521

black lung

noun 0.521

tungsten carbide

noun 0.521

cookstove

noun 0.521

animal charcoal

noun 0.521

bunker fuel

noun 0.520

carbonaceous chondrite

noun 0.520

cocoa

noun 0.519

carbon monoxide

noun 0.517

crack cocaine

noun 0.517

cob

noun 0.516

fuel oil

noun 0.516

bitumen

noun 0.511

cobber

noun 0.511

blast furnace

noun 0.511

hot metal

noun 0.507

black gold

noun 0.507

oil gas

noun 0.507

china clay

noun 0.507

kerogen

noun 0.505

kerosene

noun 0.505

cocoa bean

noun 0.505

ball clay

noun 0.504

acetylene black

noun 0.503

carbide

noun 0.503

heating oil

noun 0.502

pig iron

noun 0.500

cinder

noun 0.500

oil shale

noun 0.500