propulsion

noun 0.769

propellant

noun 0.738

propeller

noun 0.716

thruster

noun 0.675

impeller

noun 0.663

turbopump

noun 0.610

actuator

noun 0.598

ejector

noun 0.591

rocket motor

noun 0.586

turboprop

noun 0.584

propeller shaft

noun 0.581

bow thruster

noun 0.581

impulsion

noun 0.581

specific thrust

noun 0.576

prop wash

noun 0.573

prime mover

noun 0.570

rocket engine

noun 0.557

pump

noun 0.550

pressurizer

noun 0.550

accelerator

noun 0.549

pressor

noun 0.544

pressurant

noun 0.543

motive power

noun 0.540

propagator

noun 0.540

pulsar

noun 0.539

pulser

noun 0.537

pusher

noun 0.535

plunger

noun 0.534

turbine

noun 0.534

turbomachine

noun 0.534

proponent

noun 0.533

promotor

noun 0.533

air pump

noun 0.533

rotor

noun 0.531

combustor

noun 0.529

electromotor

noun 0.527

activator

noun 0.526

projectile

noun 0.525

jet engine

noun 0.525

igniter

noun 0.525

propagule

noun 0.524

pulsion

noun 0.520

jet pack

noun 0.519

motor

noun 0.519

puller

noun 0.518

turbo

noun 0.518

proa

noun 0.516

nozzle

noun 0.514

mover

noun 0.513

reaction turbine

noun 0.511

people mover

noun 0.510

promulgator

noun 0.509

blower

noun 0.509

airscrew

noun 0.508

traction motor

noun 0.507

proposer

noun 0.506

exciter

noun 0.506

servomotor

noun 0.506

stimulator

noun 0.506

impetus

noun 0.505

outboard motor

noun 0.505

proton pump

noun 0.504

supercharger

noun 0.504

hyperdrive

noun 0.504

blaster

noun 0.503

oxygenator

noun 0.501

promoter

noun 0.501

extruder

noun 0.501

injector

noun 0.501

teleporter

noun 0.501

specific impulse

noun 0.501

impactor

noun 0.501