Those are both lovely choices! I prefer [name_f]Theodora[/name_f] “Thea” by a hair, but [name_f]Felicity[/name_f] is also lovely and so spunky. I like [name_f]Lissy[/name_f] as a nickname. I’ve also heard of [name_f]Fliss[/name_f] and [name_f]Flick[/name_f] as options!