Aca maana ya jina bora: Kubwa, Ukarimu, Makini, Ubunifu, Temperament. Pata Aca maana ya jina.
Aca asili ya jina la kwanza. Kisabia na Kimasedonia kupungua kwa Aleksandar. Pata Aca asili ya jina la kwanza.
Majina ya jina la Aca katika nchi tofauti na lugha tofauti: Àlex, Al, Alasdair, Alastair, Alastar, Ale, Alec, Aleĉjo, Alejandro, Aleks, Aleksandar, Aleksander, Aleksandr, Aleksandras, Aleksandre, Aleksandro, Aleksandrs, Aleksanteri, Aleš, Alesander, Alessandro, Alex, Alexander, Alexandr, Alexandre, Alexandros, Alexandru, Aliaksandr, Alistair, Alister, Eskandar, Iskandar, Iskender, Lex, Olek, Oleksander, Oleksandr, Oles, Sacha, Samppa, Sander, Sandi, Sándor, Sandro, Sandu, Sandy, Santeri, Santtu, Sanya, Saša, Sascha, Sasha, Sasho, Sašo, Shura, Sikandar, Skender, Xande, Xander, Xandinho. Pata Aca kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Onyejiaka: Alexandra. Pata Majina yanayotembea na Onyejiaka.