Gwilym incazelo engcono kakhulu yegama: Ujabule, Unika, Nobungane, Unamandla, Ukudala. Thola Gwilym kusho igama.
Romig izincazelo zegama elihle kakhulu: Isimo sengqondo, Isimanje, Unamandla, Ngokucophelela, Ukudala. Thola Romig incazelo yesibongo.
Gwilym imvelaphi yegama lokuqala. Welsh form of William. Thola Gwilym imvelaphi yegama lokuqala.
Gwilym igama lokunciphisa amagama: Gwil. Thola Ama-namaname we-Gwilym.
Amagama afanayo for Gwilym emazweni ahlukene nezilimi ezahlukene: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwilherm, Illiam, Jami, Jelle, Liam, Pim, Uilleag, Uilleam, Uilliam, Ulick, Vilĉjo, Vilém, Vilhelm, Vilhelmas, Vilhelmi, Vilhelmo, Vilhelms, Vilhjálmur, Vilho, Vili, Viliam, Vilim, Vilis, Viljami, Viljem, Viljo, Vilko, Ville, Villem, Vilmos, Wil, Wilhelm, Wilhelmus, Wilkin, Wilky, Will, Willahelm, Willem, Willi, William, Willie, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Thola Gwilym kwezinye izilimi.
Amagama amaningi avamile ngegama Gwilym: Williams, Panah, Panah-williams. Thola Uhlu lwamagama ngegama Gwilym.
Amagama avame kakhulu ngegama lomsebenzisi Romig: Cassi, Jasper, Marcelo, Kraig, William. Thola Amagama ahamba ne- Romig.
Ukuhambisana kwe- Gwilym kanye Romig kuyinto 78%. Thola Ukuhambisana kwe- Gwilym kanye Romig.