From a linguistic standpoint, does the Neapolitan language have

>>3256791
More than standard italian, yes, but not noticeably so.
Now sicilian on the other hand..

>>3257549
I meant to include Sicilian in the OP. Is it limited to just loanwords, or are there sounds and grammatical structures that also show up in Sicilian and Neapolitan?

>>3257549
Apparently my grandparents would poke fun at each others accents. (Grandfather being from Bari and Grandmother's parents from Sicily).

Now no one in the family speaks any Italian at all.

>>3256791
Napolitan is a bastard between italian and spanish

It has more Spanish influences