Zilla \z(il)-la\ as a girl's name is of Hebrew origin, and the meaning of Zilla is "shadow". Biblical name revived by the Puritans. Rather popular in the 19th century.
Zilla has 3 variant forms: Zila, Zillah and Zylia.
Baby names that sound like Zilla are Cilla, Cilly, Cilia, Sillia, Silia, Silja, Silya, Zelia, Zalia, Zia, Zola, Zolia and Zoela.