My suggestions:
Girl-girl:
Aurelia and
ZlataAranka and
Zlata = "gold".
Zora and
Danica = "dawn"
Melanie and
Layla = "black"
Linda and
Bella = "beautiful"
Radmila and
Timea = "joyful".
Timea in Hungarian.
Serena and
Clara = "clear, shining"
Susanna and
Liliana =
Susan means "lilly" in Hebrew.
Elisabeth and
IsabellaChloe and Lada = "girl".
Chloe in Greek and Lada in Czech.
Korinna and
Chloe = "young girl"
Elodie and
Odetta = "possesion"
Silvia and
Saskia = "woman from forest"
Patricia and
Isobel – from novel "O´Sullivan Twins" by
Enid Blyton.
Latin origin: Lillian and
Rosalie
Vlastimil a
Patrick = "homeland"
Goran a
Silvester = "forest"
Frederick and
Vladimir "ruler"
Pollux a Kastor – twins of Greek God
Zeus and Goddess
LedaTheodor and
Bohdan = "gift of God"
Greek origin: Alexander and
SashaHebrew origin: Raphael and
GabrielLatin origin: Roman and
Oliver