cylinder

noun 0.711

gas cylinder

noun 0.622

head

noun 0.616

engine block

noun 0.603

cutterhead

noun 0.590

headlight

noun 0.584

axe head

noun 0.580

piston

noun 0.573

crankcase

noun 0.568

drum head

noun 0.564

oxygen cylinder

noun 0.562

heads

noun 0.561

crankshaft

noun 0.558

exhaust valve

noun 0.558

camshaft

noun 0.556

headboard

noun 0.556

piston engine

noun 0.553

crosshead

noun 0.552

sprinkler head

noun 0.549

helmet

noun 0.549

cranium

noun 0.547

femur head

noun 0.546

headstock

noun 0.544

headlamp

noun 0.543

read head

noun 0.543

bighead

noun 0.542

caput

noun 0.542

cylindroid

noun 0.540

headpiece

noun 0.539

head of hair

noun 0.539

seedhead

noun 0.537

bicycle helmet

noun 0.536

flower head

noun 0.536

carburetor

noun 0.536

calvaria

noun 0.536

barrelhead

noun 0.535

piston valve

noun 0.535

headache

noun 0.533

cathead

noun 0.532

combustion chamber

noun 0.530

head case

noun 0.529

shower head

noun 0.529

hard head

noun 0.528

headset

noun 0.526

head covering

noun 0.526

valve train

noun 0.525

skull

noun 0.521

piston rod

noun 0.520

spherical cap

noun 0.520

engine

noun 0.518

headphone

noun 0.516

headjoint

noun 0.514

hard hat

noun 0.514

testa

noun 0.513

clusterhead

noun 0.510

engine compartment

noun 0.508

whitehead

noun 0.508

wellhead

noun 0.507

capitellum

noun 0.503

headwear

noun 0.503

flathead

noun 0.502

cerebral cortex

noun 0.501

top dead center

noun 0.501