rocket engine

noun 0.795

turbojet

noun 0.776

ion engine

noun 0.729

piston engine

noun 0.721

turbofan

noun 0.699

engine

noun 0.693

steam engine

noun 0.692

combustion engine

noun 0.691

air engine

noun 0.679

fighter jet

noun 0.677

heat engine

noun 0.673

jet fighter

noun 0.673

internal combustion engine

noun 0.672

rotary engine

noun 0.651

rocket motor

noun 0.646

turbine

noun 0.643

scramjet

noun 0.639

turboprop

noun 0.638

jet pack

noun 0.635

two-stroke engine

noun 0.632

turbocharger

noun 0.629

jet

noun 0.628

jetliner

noun 0.622

gas jet

noun 0.615

electric motor

noun 0.610

reciprocating engine

noun 0.609

traction engine

noun 0.607

turbomachine

noun 0.602

jumbo jet

noun 0.601

reaction turbine

noun 0.601

steam turbine

noun 0.600

stationary engine

noun 0.596

turbopump

noun 0.594

search engine

noun 0.589

fighter plane

noun 0.588

microturbine

noun 0.587

jet ski

noun 0.579

wind turbine

noun 0.577

diesel generator

noun 0.576

engine block

noun 0.575

microengine

noun 0.574

database engine

noun 0.572

jetboat

noun 0.572

airplane

noun 0.572

propeller

noun 0.571

fire engine

noun 0.568

ramjet

noun 0.568

graphics engine

noun 0.568

aircraft

noun 0.565

turbo

noun 0.565

water turbine

noun 0.564

engine room

noun 0.564

engine trouble

noun 0.563

combustor

noun 0.560

jet stream

noun 0.558

warplane

noun 0.557

inkjet

noun 0.556

hybrid rocket

noun 0.556

nuclear reactor

noun 0.556

fighter aircraft

noun 0.554

aeroplane

noun 0.553

chemical engineer

noun 0.552

helicopter

noun 0.549

aviation fuel

noun 0.549

nuclear rocket

noun 0.546

supercharger

noun 0.546

internal combustion

noun 0.544

ejector

noun 0.541

nuclear aircraft

noun 0.540

intercooler

noun 0.537

power plant

noun 0.537

thruster

noun 0.536

steam locomotive

noun 0.535

starter motor

noun 0.534

engineer

noun 0.534

inkjet printer

noun 0.532

piston

noun 0.531

bullet train

noun 0.531

air compressor

noun 0.530

diesel

noun 0.528

regional jet

noun 0.528

engineering

noun 0.528

engineman

noun 0.527

aircraft carrier

noun 0.526

outboard motor

noun 0.526

air pump

noun 0.525

race car

noun 0.525

propulsor

noun 0.525

vacuum pump

noun 0.524

induction motor

noun 0.523

wind machine

noun 0.523

heat pump

noun 0.523

steam boiler

noun 0.522

crankshaft

noun 0.521

afterburner

noun 0.521

two-stroke

noun 0.521

mechanical engineering

noun 0.518

oil burner

noun 0.518

machine gun

noun 0.517

fan blade

noun 0.516