My favorite is Plum. As for Apricot, I've always thought that as long as the name is not offensive and you genuinely like it, of course you can use it.
Also some other names with the same meaning:
Plum:
Prunella,
Prune,
Mirabelle (a type of plum), Susina (Italian word for Plum)
Peach:
Momoko,
Momoka Apricot: Anjuka
Fruit names in general are really nice and refreshing names, here some others if you're interested:
Strawberry:
Jagoda, Yagoda
Grapes:
Grozdan,
Grozda,
Grozdana, Üzüm (Turkish unisex name literally meaning "Grapes"), Videira (Spanish word for grapes)
Cherry:
Cherry,
Cerise,
Kiraz,
Kirsikka,
Sakura,
Sakurako,
Višnja, Cheresha (Bulgarian feminine name that literally means "
Cherry"), Gilyaz (Kurdish), Tuomi ("Bird
Cherry" in Finnish)
Orange: Orange (an English unisex name, rare but it's used, I've mostly seen it used as a boy's name), Orangella
Blueberry: Blueberry, Myrtille (French for Blueberries), Bleuets (Quebec French for Blueberries)
Raspberry:
Afanen,
Malina, Malinka
Blackberry:
Makvala, Kara-kat (Tuvan feminine name, just discovered Tuvan names, their names are really neat)
Pomegranate:
Anara,
Anargul,
Golnar, Rimmon (unisex Hebrew and Biblical name)
Apple: Apple, Almila (feminine Turkish name that means "
Red Apple"), Ringo (Japenese unisex? name meaning "Apple"),
Crispin (a type of apple)
Banana:
Ketut
Pear:
Airi,
Dardan, Perrry, Anjou (a type of pear)
Other:
Ephraim, Huckleberry,
Juniper,
Berry, Kiwi, Melon, Honeydew (a type of melon), Lemon, Jackfruit
Surnames that can be used as names: Citron, Appleton
I got a bit off track but this was fun, I'll probably use some of these for my characters.