Elsanna

Ultimately, Elsanna femslash considers the repressive power of sexual taboo insofar as it can reject that power, electing instead, as Elsa's character sings in the film's coming-out scene par excellence, to "let it go."

Source: wiktionary

Fans of the show Supernatural have created digitally manipulated images of its two male leads, the Wincester brothers, in bed together (aka “Wincest”), and fan-fiction stemming from the popular children’s film Frozen (2013) casts the two sisters, Elsa and Anna, as lovers (aka “Elsanna”).

Source: wiktionary

While other male/male fan pairings were referred to more often than elsanna, it was the first and only female/female pairing that I came across during my search.

Source: wiktionary