mineshaft

noun 0.647

wellhead

noun 0.619

pierhead

noun 0.611

headgate

noun 0.597

headend

noun 0.582

railhead

noun 0.582

headstock

noun 0.567

head

noun 0.565

coal bed

noun 0.557

stead

noun 0.551

colliery

noun 0.551

deckhead

noun 0.545

pit

noun 0.544

seedhead

noun 0.543

masthead

noun 0.542

cutterhead

noun 0.537

heads

noun 0.537

rail head

noun 0.533

headwork

noun 0.530

stope

noun 0.529

hilltop

noun 0.527

cathead

noun 0.527

mountaintop

noun 0.523

gold mine

noun 0.523

coalfield

noun 0.522

the pits

noun 0.521

blasthole

noun 0.521

headrace

noun 0.515

gatehouse

noun 0.510

headwall

noun 0.508

blackhead

noun 0.506

headset

noun 0.506

topside

noun 0.505

hardstand

noun 0.504

head of hair

noun 0.504

headworks

noun 0.504

coal seam

noun 0.502

pit stop

noun 0.502

hard hat

noun 0.501

pitman

noun 0.500