Would you use Charlotte if you have a Caroline?

No, they have the same roots and are essentially different versions of the same name. They’re both lovely, but I think both sisters deserve their own special name.

If you want another C-name, how about: [name_f]Cecilia[/name_f], [name_f]Celia[/name_f], [name_f]Claudia[/name_f], [name_f]Clara[/name_f], [name_f]Cora[/name_f], [name_f]Cordelia[/name_f], [name_f]Camilla[/name_f], [name_f]Catherine[/name_f], [name_f]Cassandra[/name_f], [name_f]Cadence[/name_f], [name_f]Christine[/name_f]

Other names with a similar vintage-class feel to [name_f]Charlotte[/name_f]: [name_f]Josephine[/name_f], [name_f]Alice[/name_f], [name_f]Tess[/name_f]/[name_f]Tessa[/name_f], [name_f]Marie[/name_f]/[name_f]Mary[/name_f], [name_f]Amy[/name_f], [name_f]Amelia[/name_f], [name_f]Margot[/name_f]/[name_f]Margaret[/name_f], [name_f]Emily[/name_f], [name_f]Lucy[/name_f], [name_f]Philippa[/name_f], [name_f]Lettice[/name_f]/[name_f]Leticia[/name_f], [name_f]Gwendolyn[/name_f], [name_f]Gabrielle[/name_f], [name_f]Georgia[/name_f], [name_f]Helena[/name_f], [name_f]Eliza[/name_f]/[name_f]Elizabeth[/name_f], [name_f]Molly[/name_f], [name_f]Laura[/name_f], [name_f]Willa[/name_f], [name_f]Lydia[/name_f], [name_f]Victoria[/name_f], [name_f]Beatrice[/name_f], [name_f]Bridget[/name_f], [name_f]Diana[/name_f], [name_f]Phoebe[/name_f], [name_f]Lavender[/name_f], [name_f]Lucy[/name_f], [name_f]Clementine[/name_f], [name_f]Mercy[/name_f], [name_f]Nina[/name_f], [name_f]Rose[/name_f]/[name_f]Rosalind[/name_f], [name_u]Evelyn[/name_u], [name_f]Flora[/name_f], [name_f]Frances[/name_f], [name_f]Maeve[/name_f], [name_f]Mabel[/name_f], [name_f]Elaine[/name_f], [name_f]Yvette[/name_f], [name_f]Renee[/name_f], [name_f]Marguerite[/name_f], [name_f]Grace[/name_f], [name_f]Arabella[/name_f], [name_f]Bernadette[/name_f], [name_f]Isla[/name_f], [name_f]Isabeau[/name_f], [name_f]Theresa[/name_f]/[name_f]Therese[/name_f], [name_f]Jessica[/name_f], [name_f]Genevieve[/name_f], [name_f]Juliet[/name_f]

Yes - they sound great together - definitely not too matchy at all.

I would use [name_f]Charlotte[/name_f] if I already had a [name_f]Caroline[/name_f], but only if [name_f]Charlotte[/name_f] was my absolute favourite name and I couldn’t imagine using anything else. It would annoy me that they’re both feminizations of [name_m]Charles[/name_m], but I don’t think that that’s widely known among non-name nerds, so I don’t think people in the world would constantly be judging me for it. To me they sound different enough that it wouldn’t be confusing to have both in one household, and you can easily get to nicknames that are totally different ([name_f]Carrie[/name_f] and [name_f]Lina[/name_f]; [name_f]Char[/name_f] and [name_f]Lottie[/name_f]).

However, if you’re just looking for a C name and you’re not really attached to [name_f]Charlotte[/name_f], I’d keep looking. [name_f]Sophie[/name_f]-[name_f]Claire[/name_f], [name_f]Serena[/name_f], [name_f]Sarah[/name_f], [name_f]Caroline[/name_f], and (trying not to repeat any from @axps123)…

[name_f]Cecilia[/name_f]
[name_f]Cecily[/name_f]
[name_f]Clara[/name_f] (unless it’s too close to [name_f]Sophie[/name_f]-[name_f]Claire[/name_f])
[name_f]Cassia[/name_f]
[name_f]Chloe[/name_f]
[name_f]Cleo[/name_f]
[name_f]Clea[/name_f]
[name_f]Cressida[/name_f]

…and I second the previous suggestions of [name_f]Celeste[/name_f] and [name_f]Calista[/name_f].

I would definitly use them . [name_f]Charlotte[/name_f] and [name_f]Caroline[/name_f] sounds great together .

Some combo ideas ( sorry for any repeats ) :

[name_f]Charlotte[/name_f] [name_f]Lark[/name_f]
[name_f]Charlotte[/name_f] [name_u]Wren[/name_u]
[name_f]Charlotte[/name_f] [name_f]Dahlia[/name_f]
[name_f]Charlotte[/name_f] [name_f]Acacia[/name_f]
[name_f]Charlotte[/name_f] [name_f]Helena[/name_f]
[name_f]Charlotte[/name_f] [name_u]Winter[/name_u]
[name_f]Charlotte[/name_f] [name_f]Ophelia[/name_f]
[name_f]Charlotte[/name_f] [name_f]Maple[/name_f]
[name_f]Charlotte[/name_f] [name_f]Gwendolin[/name_f]
[name_f]Charlotte[/name_f] [name_u]Bliss[/name_u]
[name_f]Charlotte[/name_f] [name_u]June[/name_u]
[name_f]Charlotte[/name_f] [name_f]Beatrix[/name_f]

They’re two different names (not sure how [name_f]Caroline[/name_f] is a feminine version of [name_m]Charles[/name_m] anyway). It would be like not being able to use [name_u]Lisa[/name_u] and [name_f]Betty[/name_f] for sisters because they’re both nicknames for [name_f]Elisabeth[/name_f].