Jef igama elona lifanelekileyo: Bokudala, Inhlanhla, Nobungane, Ufanele, Kakhulu. Fumana Jef intsingiselo yegama.
Kock intsingiselo egqibeleleyo yegama: Ujonge, Unika, Bokudala, Namhlanje, Inhlanhla. Fumana Kock intsingiselo yesinti.
Jef imvelaphi yegama lokuqala. Dutch short form of Jozef. Fumana Jef imvelaphi yegama lokuqala.
Kock umvelaphi. Low German cognate of Cook. Fumana Kock umvelaphi.
Ukubhalwa kwegama okanye indlela yokubiza igama lokuqala Jef: YEF. Indlela yokubiza Jef.
Amagama alinganayo for Jef kumazwe ahlukeneyo neelwimi: Beppe, Giuseppe, Hohepa, Hovsep, Ioseb, Ioseph, Iosephus, Ioses, Iosif, Jāzeps, Jo, Joĉjo, Joe, Joey, Jojo, Joosep, Jooseppi, Józef, Joseba, José, Josèp, Josef, Josep, Josepe, Joseph, Josephus, Joses, Josif, Josip, Jóska, Joško, Joso, Jože, Jozef, Jozefo, Jozo, József, Józsi, Jožef, Juozapas, Juozas, Juuso, Osip, Pepe, Pepito, Peppe, Peppi, Peppino, Pino, Seòsaidh, Seosamh, Sepp, Seppel, Soso, Xosé, Yosef, Yosif, Yosyp, Yousef, Youssef, Yusef, Yusif, Yussel, Yusuf, Yusup, Zé, Zezé. Fumana Jef kwezinye iilwimi.
Amagama angamafanel 'Kock kumazwe ahlukeneyo neelwimi: Coke, Cokes, Cook, Cooke, Cookson, Cuocco, Cuoco, Koch. Fumana Kock kwezinye iilwimi.
Amagama amaninzi aqhelekileyo ngegama Jef: Shelby. Fumana Uluhlu lwamagama egama Jef.
Amagama aqhelekileyo ngegama lokugqibela Kock: Alexis, Carlton, Junaida, Dena, Edseree. Fumana Amagama ahamba kunye Kock.
Ukuhambisana Jef kunye Kock yi 80%. Fumana Ukuhambelana Jef kunye Kock.