SimilarityRank
cosmonaut 0.922 97612
astronauts 0.853 24220
Soyuz 0.811 53223
Astronauts 0.772 92629
spacecraft 0.755 16461
astronaut 0.748 28630
orbiter 0.713 76092
spaceflight 0.704 67313
Spacecraft 0.667 76108
Leonov 0.666 99214
orbiting 0.666 32947
orbit 0.661 11481
Yuri 0.659 36615
liftoff 0.657 97090
manned 0.657 21210
lander 0.652 64228
Astronaut 0.652 63562
ISS 0.650 30619
interplanetary 0.649 60971
crewmembers 0.641 63778
pilots 0.636 9079
Phobos 0.631 91146
spaceships 0.630 57887
Soviet 0.630 5862
spaceship 0.630 31046