1.
FREDA - Morwen's daughter, sent away - A hobbit disenvowelled by everything - First contact (for many)
2. Lorien's unwitting betrayer - The classic dawn bird - The world turned upside-down
3. Mrs. Bilbo - A shiny rock, or perhaps a bit more like me - The first of its kind (ever)
4. The only female Nazgul - I'm out, I tripped (accented) - Under the iron crown
5. The princess of the shore - A Latin rock, an Elvish maid - Darkness in the darkness
6. Legolas' first best friend, but in real life... - Not a Maia, not a flower, and definitely not genderbent Orome - Just below Erebor
Well found, Pervinca.
(Frodo, with the vowels switched to 'Ea'.)
hS