Given these examples, it depends.
I prefer
Juliet to
Juliette,
Ariel to
Arielle, and
Eliana to Ellianna, but
Gabriella to
Gabriela and Rosabelle to
Rosabel.
I like both
Ana and
Anna and
Zoe and
Zoey. But
Maya and
Mya are two different names to me (may-a vs my-a).