Jaak maana ya jina bora: Kazi, Makini, Ukarimu, Tete, Bahati. Pata Jaak maana ya jina.
Dowd maana ya jina la juu: Makini, Ukarimu, Temperament, Bahati, Ubunifu. Pata Dowd maana ya jina la jina.
Jaak asili ya jina la kwanza. Aina ya Kiestonia Jacob Au James, na fomu fupi ya Flemish Jacob. Pata Jaak asili ya jina la kwanza.
Majina ya jina la Jaak katika nchi tofauti na lugha tofauti: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaakko, Jaakob, Jaakoppi, Jaap, 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, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Pata Jaak kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Dowd: Karen, Joe, James, John, Blaine. Pata Majina yanayotembea na Dowd.
Utangamano wa Jaak na Dowd ni 84%. Pata Utangamano wa Jaak na Dowd.