Similar words
Netz
Cyberspace is the English loanword, used in a slightly more abstract/sci-fi sense; Netz ("das Netz") is the everyday colloquial word for the internet.
Similar in other languages
Spanish
ciberespacio
ciberespacio is the Spanish word for the same thing — both mean "cyberspace."
Portuguese
ciberespaço
ciberespaço is the Portuguese word for the same thing — both mean "cyberspace."
Practice
1 What does Cyberspace mean?
cyberspace
2 Fill the gap: Er bewegt sich im ___.
Full sentence: Er bewegt sich im Cyberspace. (He moves in cyberspace.)
3 Which fingerprint chart matches Cyberspace?
Cyberspace: neutral register, common frequency, general domain, neutral connotation.