What is another word for spaceling?
Pronunciation: [spˈe͡ɪsə͡lɪŋ] (IPA) 
Spaceling is a relatively uncommon word, and therefore there are few direct synonyms. This term refers to someone or something that lives or exists in outer space. However, there are related terms that can be used instead. For example, the word astronaut can describe a person who travels to and works in outer space, while a cosmonaut is a similar term used specifically for Russians. A space traveler or spacefaring is another term that can be used to describe those who explore space. Additionally, extraterrestrial or alien can be used to describe beings that are not from Earth and may exist in space.
