Similar words
weltall
Weltall is more native German, focused on physical space; Universum is a more scientific or philosophical loanword, "universe."
Similar in other languages
French
univers
univers is the French word for the same thing — both mean "universe."
Portuguese
universo
universo is the Portuguese word for the same thing — both mean "universe."
Practice
1 What does Universum mean?
universe
2 Fill the gap: Das ___ ist unendlich groß.
Full sentence: Das Universum ist unendlich groß. (The universe is infinitely large.)
3 Which fingerprint chart matches Universum?
Universum: neutral register, common frequency, general domain, neutral connotation.