Gwilherm makna jeneng paling apik: Loman, Mlebu, Loropaken, Ngerteni, Serius. Njaluk Gwilherm tegesé jeneng.
Gwilherm asal saka jeneng pisanan. Breton wangun William. Njaluk Gwilherm asal saka jeneng pisanan.
Jeneng-jeneng sing sinonim kanggo Gwilherm ing negara lan basa sing beda-beda: 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. Njaluk Gwilherm ing basa liya.
Jeneng sing umum nganggo jeneng pungkasan Vasmadjides: Rickie, Temika, Terrence, Guillermo, Dorothea. Njaluk Jeneng sing nganggo Vasmadjides.