Jankin ystyron enw gorau: Lwcus, Sylwgar, Gyfeillgar, Creadigol, Siriol. Cael Jankin ystyr enw.
Douglas ystyron cyfenw gorau: Gymwys, Hael, Gyfeillgar, Difrifol, Creadigol. Cael Douglas ystyr cyfenw.
Jankin tarddiad enw cyntaf. Medieval diminutive of Jan. Cael Jankin tarddiad enw cyntaf.
Douglas tarddiad. Anglicized form of Gaelic Dubhghlas, which meant "dark river" from dubh "dark" and glais "water, river". This is the name of a river near Glasgow. Cael Douglas tarddiad.
Cyfenw Douglas mwyaf cyffredin yn Awstralia, Jamaica, Seland Newydd, Trinidad a Tobago, Deyrnas Unedig. Cael Douglas cyfenw lledaenu.
Enwau cyfystyr ar gyfer Jankin mewn gwahanol wledydd ac ieithoedd: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Iain, Ian, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Iván, Ivan, Ivane, Ivano, 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, Ohannes, Rashaun, Rashawn, Seán, Sean, Seoc, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Vanni, Vano, Xoán, Xuan, Yahya, Yan, Yanick, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Cael Jankin mewn ieithoedd eraill.
Mae'r rhan fwyaf o'r enwau cyffredin gyda cyfenw Douglas: Lily, Olivia, Andre, Otis, Katherine, André, Olívia. Cael Enwau sy'n mynd gyda Douglas.
Cysondeb o Jankin ac Douglas yn 75%. Cael Cysondeb o Jankin ac Douglas.