I once heard a non-english speaker say "logining", and that made so much more sense than "logging in".
Noun versus verb.
Did you log in (space: split verb)? What is your login (no space: noun)?
Do you have a backup (noun)? Did you back up (verb)?
Noun versus verb.
Did you log in (space: split verb)? What is your login (no space: noun)?
Do you have a backup (noun)? Did you back up (verb)?