Yehochanan ystyron enw gorau: Siriol, Difrifol, Gymwys, Hael, Weithgar. Cael Yehochanan ystyr enw.
Kopp ystyron cyfenw gorau: Anweddol, Sylwgar, Gyfeillgar, Gymwys, Anwadal. Cael Kopp ystyr cyfenw.
Yehochanan tarddiad enw cyntaf. Original Hebrew form of John (and Jehohanan). Cael Yehochanan tarddiad enw cyntaf.
Kopp tarddiad. Derived from the given name Jacob. Cael Kopp tarddiad.
Enwau cyfystyr ar gyfer Yehochanan mewn gwahanol wledydd ac ieithoedd: 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, 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, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Cael Yehochanan mewn ieithoedd eraill.
Mae'r rhan fwyaf o'r enwau cyffredin gyda cyfenw Kopp: Lisa, Ian, Angla, Edwin, Harbo. Cael Enwau sy'n mynd gyda Kopp.
Cysondeb o Yehochanan ac Kopp yn 80%. Cael Cysondeb o Yehochanan ac Kopp.