YES
there really isn't a difference
there really isn't a difference
There really is no difference.
really?
there isn't really a difference
Really there is no difference.
There is no difference really.
There really is no difference
really do not now.
nothing really!
Not really anything.
You really need to learn the difference between "number" and "amount". This is something in European languages that goes back for ten thousand years or more.