orbit
Space = lewa
Yes, "space" is not a compound word. It is a standalone word on its own.
Is there a space word for every letter in the alphabet?
The word "space" is spelled correctly.
rúm
Space related word is "Astronaut"
There is debris such as satellites, gloves, nuts, etc. in outer space. Docking is a space word.
outer (as in "outer space")
The Spanish noun word for "space" is "espacio". If the word "space" is used as a descriptive (eg. space ship), it is translated as "espacial".
A space word that starts with z is Zaurak.
Terra Firma (If that's what you mean by space word)
The word "space" has a long "a" sound, pronounced as "spās."