Could Lorien resist without Nenya?

[lord of dor-lomin]

So to characterise him as a Noldo would be rather inaccurate

Yeah, I know. That wasn't what I was trying to do. I just added that in case someone did think of him as one of the Noldor, to show that the statement about her being the greatest didn't apply to him, no matter what race he was considered.

she was mightiest. In RotK Tolkien says so

Did he?