Names ending in a

One of the many Everly variants, but with a bit more flair and reminiscent of "Chelsea" or "Avonlea" (which would make an interesting alternative if you're aiming for more unique with this spelling)

Faroese name derived from the Old Norse word fífa, which refers to cotton grass.

Maori form of Susan or Susanna

Ante is the equivalent to Antony in Croatia, Bosnia, and other Balkan countries. Antea is the feminine equivalent, and would make a sweet, modern-sounding alternative to dusty Antonia.