It doesn't work for me at all. You could just name her
Nora, it's a well established full name and in the top 100. It seems pretentious to me and complicated, because people will always assume that the full name is
Nora.
Nicknames derived from the last syllable of the full name hardly ever work for me. I know an
Aidan who gets called
Dan and I was so confused at first. I also know a
Gabriel who goes by
Eli and always thought it was his middle name, because it is pronounced ee-lie and unlike the -el in
Gabriel.
It will just be annoying and confusing and
Nora doesn't feel nickname-ish in the slightest.