Jannik kacha mma aha pụtara: Ifịk, Enyi na enyi, Oge a, Obodo, Eru. Nweta Jannik pụtara aha.
Neizer kacha mma aha nna pụtara: Eru, Okike, Kechioma, Eji obi ụtọ, Oké njọ. Nweta Neizer pụtara aha nna.
Jannik si malite aha mbụ. Danish diminutive of Jan. Nweta Jannik si malite aha mbụ.
Agakọta aha maka Jannik na mba dị iche iche na-asụ asụsụ: 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, 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, Zuan, Žan. Nweta Jannik na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Neizer: Claudia Nicole, Jan, Jojo, Olin, Stephany, Ján. Nweta Aha na-aga na Neizer.
Ndakọrịta nke Jannik na Neizer bụ 75%. Nweta Ndakọrịta nke Jannik na Neizer.