solid rocket

noun 0.737

rocket

noun 0.725

rocket ship

noun 0.710

rocketry

noun 0.685

nuclear rocket

noun 0.676

rocketship

noun 0.673

rocket sled

noun 0.670

rocket motor

noun 0.665

hybrid rocket

noun 0.664

rocket engine

noun 0.655

rocket launcher

noun 0.594

missile

noun 0.594

skyrocket

noun 0.591

rocket science

noun 0.585

sounding

noun 0.585

space shuttle

noun 0.578

rocket scientist

noun 0.575

radiosonde

noun 0.570

blastoff

noun 0.570

ballistic missile

noun 0.568

space mission

noun 0.568

space vehicle

noun 0.567

spacecraft

noun 0.561

sputnik

noun 0.561

space research

noun 0.553

space flight

noun 0.552

spaceplane

noun 0.551

suborbital

noun 0.551

space satellite

noun 0.543

scramjet

noun 0.538

cruise missile

noun 0.533

spaceship

noun 0.532

weather balloon

noun 0.531

flying bomb

noun 0.530

projectile

noun 0.529

moon shot

noun 0.524

supersonic

noun 0.522

astronaut

noun 0.521

rocket-propelled grenade

noun 0.521

dropsonde

noun 0.515

ionosonde

noun 0.512

shuttlecraft

noun 0.509

spaceport

noun 0.508

cosmodrome

noun 0.507

missile silo

noun 0.507

launch complex

noun 0.506

jet pack

noun 0.506

space technology

noun 0.503

space science

noun 0.502

cosmonaut

noun 0.501

meteoroid

noun 0.501