Koba kacha mma aha pụtara: Kechioma, Eji obi ụtọ, Enyịn, Iwe, Oge a. Nweta Koba pụtara aha.
Arroyo kacha mma aha nna pụtara: Oké njọ, Ifịk, Obodo, Enyi na enyi, Iwe. Nweta Arroyo pụtara aha nna.
Koba si malite aha mbụ. Diminutive of Iakob. Nweta Koba si malite aha mbụ.
Aha ikpeazụ Arroyo kasị nkịtị na Costa Rica, Mexico, Peru, Puerto Rico, Spain. Nweta Arroyo aha nna na-agbasa.
Agakọta aha maka Koba na mba dị iche iche na-asụ asụsụ: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jaap, Jacky, Jacob, Jacobo, Jacobus, Jacó, Jacopo, Jacques, Jae, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Jamie, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jimi, Jimmie, Jimmy, Jockel, Jokūbas, Kapel, Kimo, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Nweta Koba na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Arroyo: Nelson, Leland, Jorge, Max, Stephanie, Stéphanie. Nweta Aha na-aga na Arroyo.
Ndakọrịta nke Koba na Arroyo bụ 73%. Nweta Ndakọrịta nke Koba na Arroyo.