Pronounced with two syllables, as if spelled Ilsa, Ilse is popular in The Netherlands and may rise here with cousin Elsa.

Fiammetta, from the Italian word for flame, has both femininity and fire. Fiammetta could make a good alternative to more conventional Italian girls' names like Giovanna.

A mythological Welsh name with an intriguing sound, Ceridwen appears in several Welsh legends, in which she is an an enchantress and the owner of the cauldron of poetic inspiration. She is also associated with the great bard, Taliesin, with one 16th-century tale recounting that when her servant consumed a potion of wisdom, intended for Ceridwen's son, Ceridwen swallows the servant, who is then reborn through her as the bard.