I have a Savannah. But my other girls don't have names in the same vein at all really (well, one is Xanthe. I guess that could be put in the same category in a way).
Other names I love that I think are a bit or a lot like Savannah:
Avery, Amberley, Aurey, Aria, Astrid, Alexa, Alexis, Bronte, Brynn, Bailey, Cassidy, Celeste, Christabel, Dakota, Devon, Eden, Everly, Ebony, Effie, Fallon, Fenella, Genesis, Giselle, Gabriella, Giovanna, Hannah, Hadley, Hayley, India, Jacinta, Joanna, Kayley, Kiki, Livia, Lorelai, Larissa, Lana, Mila, Mala, Mika, Natasha, Nyah, Nia, Rhianna, Rowena, Robina, Ramona, Sorrel, Saffron, Sadie, Sylvia, Susannah, Tamara, Taylor, Vanessa, Yolanda, Zia, Zillah, Zelda, Zerryn