Any nature names - [name_u]Rowan[/name_u], [name_u]Oak[/name_u], Rowanoak, [name_f]Lark[/name_f], [name_m]Merlin[/name_m]/[name_u]Merlyn[/name_u], etc.
God/dess names - [name_f]Rhiannon[/name_f], Arianrhod, [name_u]Artemis[/name_u], [name_f]Persephone[/name_f], etc.
Many old-fashion names - [name_f]Penelope[/name_f], [name_f]Ophelia[/name_f], etc.
And when you combine elements of these names - [name_f]Rhiannon[/name_f] [name_f]Lark[/name_f] … Voila! Witchy name!