Willi uiga igoa sili: Foafoa, Volatile, Gauai, Agavaa, Po nei. Aumai Willi uiga o le suafa.
Willi amataga o le igoa muamua. Diminutive of Wilhelm. Aumai Willi amataga o le igoa muamua.
E tusitusiga po o le auala e faalauiloa le igoa muamua Willi: VI-lee. E faapefea e faalauiloa Willi.
Igoa tutusa mo Willi i atunuu ma gagana eseese: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilherm, 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, William, Willie, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Aumai Willi i isi gagana.
Surnames taatele ma igoa Willi: Paul. Aumai Lisi o surnames ma igoa Willi.
O le tele o igoa tutusa ai ma faaiu Truex: Loraine, William, Gerardo, Tanya, Linsey. Aumai Igoa e aumai faatasi Truex.