Jan merkilegu heiti: Gaum, Nútíma, Kát, Heppinn, Virk. Fá Jan merking nafns.
Sarka merkilegu eftirnafninu: Skapandi, Virk, Hæfur, Nútíma, Örlátur. Fá Sarka merking eftirnafn.
Jan Uppruni fornafns. Medieval English form of John, derived from the Old French form Jehan. Fá Jan Uppruni fornafns.
Sarka uppruna. Americanized form of Szarka. Fá Sarka uppruna.
Jan nafn diminutives: Jackin, Jankin. Fá Gælunöfn fyrir Jan.
Samheiti fyrir Jan í mismunandi löndum og tungumálum: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, 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, Jack, Jackie, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Janko, Janne, Jannick, Jannik, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Jock, Jockie, Jocky, 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, Seoc, 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. Fá Jan á öðrum tungumálum.
Algengustu eftirnöfnin með nafni Jan: Frajkor, Kotze, Sarks, Janssen, Janek. Fá Listi yfir eftirnöfn með nafni Jan.
Algengustu nöfnin með eftirnafninu Sarka: Jorge, Caprice, Giovanni, Ian, Andrea, Andréa. Fá Nöfn sem fara með Sarka.
Samhæfni Jan og Sarka er 70%. Fá Samhæfni Jan og Sarka.