Zuan maana ya jina bora: Kisasa, Kirafiki, Kazi, Makini, Furaha. Pata Zuan maana ya jina.
Cai maana ya jina la juu: Bahati, Kazi, Temperament, Kubwa, Wenye uwezo. Pata Cai maana ya jina la jina.
Zuan asili ya jina la kwanza. Aina ya Venetian ya katikati John. Pata Zuan asili ya jina la kwanza.
Jina la mwisho Cai la kawaida zaidi China, Hong Kong, Singapore, Taiwan. Pata Cai kutangaza jina la jina.
Majina ya jina la Zuan katika nchi tofauti na lugha tofauti: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jackin, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Žan. Pata Zuan kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Cai: John, Alvin, Janoear, Stephan, Lukai. Pata Majina yanayotembea na Cai.
Utangamano wa Zuan na Cai ni 81%. Pata Utangamano wa Zuan na Cai.