coal bed

noun 0.814

coal

noun 0.792

coal black

noun 0.788

coal train

noun 0.785

coalfield

noun 0.782

coalman

noun 0.776

coaling

noun 0.761

coal plant

noun 0.755

coalmining

noun 0.733

coal seam

noun 0.715

mineral coal

noun 0.706

coalfish

noun 0.696

coal tar

noun 0.686

coking coal

noun 0.680

coalminer

noun 0.680

colliery

noun 0.679

coal merchant

noun 0.673

coal oil

noun 0.673

coal gas

noun 0.660

charbon

noun 0.642

collier

noun 0.628

coalbed methane

noun 0.627

brown coal

noun 0.624

culm

noun 0.581

fossil fuel

noun 0.574

coking

noun 0.571

anthracite

noun 0.570

cofiring

noun 0.570

coa

noun 0.567

charcoal

noun 0.562

carbon oxide

noun 0.560

coalition

noun 0.559

coke

noun 0.554

cobalt

noun 0.545

animal charcoal

noun 0.543

black lung

noun 0.537

cola

noun 0.536

carbo

noun 0.534

col

noun 0.532

carbon dioxide

noun 0.528

black carbon

noun 0.524

carbon

noun 0.523

kohl

noun 0.523

colin

noun 0.522

carbon black

noun 0.518

coin

noun 0.516

colo

noun 0.516

coltan

noun 0.515

kola

noun 0.515

cookfire

noun 0.513

carbon monoxide

noun 0.511

lignite

noun 0.511

coalescing

noun 0.509

cocaine

noun 0.509

cowdung

noun 0.508

cookstove

noun 0.508

charcoal burner

noun 0.507

carbon cost

noun 0.503

coalescent

noun 0.502

coat

noun 0.501

coble

noun 0.501