Jānis kacha mma aha pụtara: Eru, Kechioma, Obodo, Enyi na enyi, Enyịn. Nweta Jānis pụtara aha.
Duff kacha mma aha nna pụtara: Oké njọ, Enyi na enyi, Enyịn, Kechioma, Obodo. Nweta Duff pụtara aha nna.
Jānis si malite aha mbụ. Latvian form of John. Nweta Jānis si malite aha mbụ.
Duff si. Derived from Gaelic dubh meaning "dark". Nweta Duff si.
Agakọta aha maka Jānis 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, Jack, Jackin, Jake, 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, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Jānis na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Jānis: Galligher, Huls, Curington, Shindledecker, Tenneson. Nweta List of surnames na aha Jānis.
Kasị nkịtị aha na aha ikpeazụ Duff: Anne, Stephen, Chuck, Carter, Bridgette. Nweta Aha na-aga na Duff.
Ndakọrịta nke Jānis na Duff bụ 80%. Nweta Ndakọrịta nke Jānis na Duff.