connecting rod

noun 0.780

piston

noun 0.771

pushrod

noun 0.720

piston valve

noun 0.670

piston ring

noun 0.662

piston engine

noun 0.643

tie rod

noun 0.642

rod

noun 0.630

rodder

noun 0.602

curtain rod

noun 0.584

crankshaft

noun 0.571

fishing rod

noun 0.566

fuel rod

noun 0.552

hot rod

noun 0.546

propeller shaft

noun 0.544

gas cylinder

noun 0.538

rodent

noun 0.525

cylinder head

noun 0.520

shaft

noun 0.520

exhaust pipe

noun 0.512

reciprocating engine

noun 0.508

rotarod

noun 0.508

ramrod

noun 0.506

camshaft

noun 0.501