10 Letter Girl Names

Mackinsley

Elleighana

Carmeletta

Kristyanne

Diamonique

Kayleeanne

A melodic Dutch variant of Catherine which can also be seen as Catelijne, Cathelijn, Kathelijne or Katelijne. It likely derived via the Medieval French Cateline. 

Cathelijne

Willowrose

Hannabella

Michaeleen

Maryelaine

Everlyrose

Jacquiline

Rhettleigh

Tchanavian

Franchette

Summerrain

Dellareese

A mix of Adora and Bella, Adorabella is a totally sweet name, but perhaps so sweet, it would work better for a pet. You could also consider the more versatile options of Adora, Bella, or Arabella, and used Adorabella as a cute nickname.
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Still, if it is Adorabella you love, you wouldn't be alone. It first appeared in the US stats in 2007, and was given to eight girls in a more recent year. 

Adorabella

Mariaelisa

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