[name_f]Bronte[/name_f], [name_f]Bryony[/name_f], [name_f]Bree[/name_f], [name_f]Bria[/name_f], [name_f]Briar[/name_f], [name_u]Ellery[/name_u], [name_f]Elodie[/name_f], [name_u]Flannery[/name_u], [name_u]Bell[/name_u] / [name_f]Belle[/name_f], [name_u]Auden[/name_u], [name_u]Arden[/name_u], [name_u]Aubrey[/name_u], [name_f]Calla[/name_f], [name_u]August[/name_u], [name_m]Dominic[/name_m] / [name_u]Domino[/name_u] / [name_f]Dominga[/name_f] (nn [name_m]Dom[/name_m] or [name_f]Minnie[/name_f]), [name_f]Elspeth[/name_f], Ferelith (both have the wispy ‘th’ ending of [name_f]Lilith[/name_f]), [name_f]Lileas[/name_f], [name_f]Dasha[/name_f] (boyish nn of [name_u]Dash[/name_u]), [name_f]Anouk[/name_f], [name_f]Aphra[/name_f], [name_u]Bellamy[/name_u] (lovely unisex name that nonetheless feels quite feminine), [name_f]Pilar[/name_f], [name_f]Florence[/name_f] (nn [name_u]Renny[/name_u]?), [name_f]Marine[/name_f] (straightforward, but still feminine), [name_f]Corinne[/name_f] (ditto), [name_f]Manon[/name_f] (ditto), [name_f]Nanon[/name_f], [name_f]Ninon[/name_f], [name_f]Bayo[/name_f], [name_f]Elke[/name_f], [name_u]Kato[/name_u] / [name_m]Cato[/name_m], [name_f]Fern[/name_f], [name_f]Pearl[/name_f], [name_f]Opal[/name_f], [name_f]Olive[/name_f], [name_f]Iris[/name_f], [name_f]Electra[/name_f] (very feminine, but quite sturdy), [name_f]Sylvie[/name_f], [name_f]Aura[/name_f], [name_f]Elva[/name_f], [name_f]Alma[/name_f], [name_f]Alba[/name_f], [name_u]Alva[/name_u], [name_f]Camille[/name_f], [name_f]Arabelle[/name_f], [name_f]Adelie[/name_f], [name_f]Adele[/name_f], [name_f]Adela[/name_f], [name_f]Abelle[/name_f], [name_f]Lilou[/name_f], [name_f]Silvia[/name_f], [name_f]Ramona[/name_f], [name_f]Maxine[/name_f], [name_u]Laurence[/name_u] (nn [name_f]Laurel[/name_f] or [name_u]Renny[/name_u]?), [name_f]Madrigal[/name_f] (nn [name_f]Maddie[/name_f], Madri, Dri/ [name_f]Dree[/name_f] or [name_f]Gala[/name_f]), [name_f]Dree[/name_f], [name_u]Drew[/name_u], [name_f]Behati[/name_f], [name_f]Winifred[/name_f] (nn [name_f]Winnie[/name_f] or [name_u]Freddie[/name_u]?), [name_f]Frederica[/name_f] (nn [name_u]Freddie[/name_u]?), [name_f]Fernande[/name_f] / [name_f]Fernanda[/name_f] (nn [name_f]Fern[/name_f], Nandy or [name_u]Andy[/name_u]?).
I don’t know if all of these are your style, but I have picked out names that have boyish nn options or feel sturdier as a girls name, or unisex. Good luck!