Gwilherm kacha mma aha pụtara: Emesapụ aka, Obodo, Enyi na enyi, Enyịn, Oké njọ. Nweta Gwilherm pụtara aha.
Gwilherm si malite aha mbụ. Breton form of William. Nweta Gwilherm si malite aha mbụ.
Agakọta aha maka Gwilherm na mba dị iche iche na-asụ asụsụ: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilim, Gwillym, Gwilym, 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. Nweta Gwilherm na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Panasci: Agustin, Lazaro, Guillermo, Chun, Dave, Agustín, Lázaro. Nweta Aha na-aga na Panasci.