Koos kacha mma aha pụtara: Eru, Ifịk, Enyịn, Enyi na enyi, Oge a. Nweta Koos pụtara aha.
Costain kacha mma aha nna pụtara: Emesapụ aka, Oké njọ, Ifịk, Iwe, Enyịn. Nweta Costain pụtara aha nna.
Koos si malite aha mbụ. Diminutive of Jacob. Nweta Koos si malite aha mbụ.
Aha ikpeazụ Costain kasị nkịtị na Isle of Man. Nweta Costain aha nna na-agbasa.
Transcription ma ọ bụ otú kpo aha mbụ Koos: KO:S. Olee otú ịkpọ Koos.
Agakọta aha maka Koos na mba dị iche iche na-asụ asụsụ: Akiba, Akiva, Coby, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jacky, Jacob, Jacobo, Jacobus, Jacó, Jacopo, Jacques, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jockel, Jokūbas, Kapel, Kimo, Koba, Koby, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Nweta Koos na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Costain: Jay, Christopher, Terese, Michel, Vincenzo. Nweta Aha na-aga na Costain.
Ndakọrịta nke Koos na Costain bụ 75%. Nweta Ndakọrịta nke Koos na Costain.