Janika kacha mma aha pụtara: Kechioma, Obodo, Ifịk, Eru, Enyi na enyi. Nweta Janika pụtara aha.
Mattu kacha mma aha nna pụtara: Iwe, Ifịk, Eji obi ụtọ, Oké njọ, Enyịn. Nweta Mattu pụtara aha nna.
Janika si malite aha mbụ. Diminutive of János. Nweta Janika si malite aha mbụ.
Agakọta aha maka Janika 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, Janek, Janez, Jani, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, 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 Janika na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Mattu: Daniel, Lalit, Ashwani, Amandeep, Sarah, Dániel, Daníel, Daniël. Nweta Aha na-aga na Mattu.
Ndakọrịta nke Janika na Mattu bụ 78%. Nweta Ndakọrịta nke Janika na Mattu.