Glytta

Not a creative spelling of Glitter, but a sparkly Icelandic name meaning "to gleam, to glint, to flash, to blink". Approved as a given name since 2017, it is a rarely used option that may remind people of the word marglytta, translating literally as "sea-gleam" and more familiarly used as the Icelandic word for jellyfish.

Pronounced GLIT-uh.