Gwilim kacha mma aha pụtara: Eji obi ụtọ, Emesapụ aka, Obodo, Iwe, Oké njọ. Nweta Gwilim pụtara aha.
Gwilim si malite aha mbụ. Welsh form of William. Nweta Gwilim si malite aha mbụ.
Gwilim aha diminutives: Gwil. Nweta Nicknames maka Gwilim.
Agakọta aha maka Gwilim na mba dị iche iche na-asụ asụsụ: 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. Nweta Gwilim na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Wimmel: Orville, Moses, Meggan, Guillermo, Lynelle. Nweta Aha na-aga na Wimmel.