Derek uiga igoa sili: Gauai, Matuia, Po nei, Lē ma vāloia, Faauo. Aumai Derek uiga o le suafa.
Derek amataga o le igoa muamua. From the older English name Dederick, which was in origin a Low German form of Theodoric. It was imported to England from the Low Countries in the 15th century. Aumai Derek amataga o le igoa muamua.
E tusitusiga po o le auala e faalauiloa le igoa muamua Derek: DER-ik. E faapefea e faalauiloa Derek.
Igoa tutusa mo Derek i atunuu ma gagana eseese: Dick, Diede, Diederich, Diederick, Diederik, Dietrich, Dirk, Teutorigos, Theoderich, Theodoric, Theodoricus, Theudoricus, Theutrich, Thierry, Þiudreiks, Tiede, Tielo, Ties, Tijmen, Tudor, Tudur. Aumai Derek i isi gagana.
Surnames taatele ma igoa Derek: Robleto, Sands, Youd, Monteiro, Fontecchio. Aumai Lisi o surnames ma igoa Derek.
O le tele o igoa tutusa ai ma faaiu Altenstab: Rupert, Brady, Derek, Gracie, Linwood. Aumai Igoa e aumai faatasi Altenstab.