Gwilim moelelo wa lebitso le letle: E thabileng, E fanang ka, E fokolang, Bohale, E tebileng. Fumana Gwilim moelelo oa lebitso.
Penning lebitso la motumo o motle ka ho fetisisa: Botsoalle, E fanang ka, E tebileng, Bōpo, E thabileng. Fumana Penning se boleloang ke lebitso.
Gwilim tšimoloho ea lebitso la pele. Welsh form of William. Fumana Gwilim tšimoloho ea lebitso la pele.
Gwilim lebitso la diminuti: Gwil. Fumana Mabitso a marang-rang a Gwilim.
Mabitso a sa tšoaneng bakeng sa Gwilim linaheng le lipuo tse sa tšoaneng: 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. Fumana Gwilim ka lipuo tse ling.
Mabitso a tloaelehileng ka lebitso la ho qetela Penning: Rey, Heike, Margene, Melba, Kathy. Fumana Mabitso a tsamaeang le Penning.
Ho lumellana ha Gwilim le Penning ke 81%. Fumana Tšebelisano ea Gwilim le Penning.