reentry (n.)

• apogee
• backsliding
• burn
• capsule
• docking
• homecoming
• injection
• insertion
• lapse
• module
• orbit
• perigee
• reaction
• recession
• recidivism
• recursion
• reflux
• regress
• regression
• relapse
• retroflexion
• retrogression
• return
• rocket
• rollback
• setback
• spacecraft
• spaceship
• throwback