Zadok sits next to 4 phonetic neighbors — Zaddock, Sadoc, and Zadoc are the closest matches by sound. Most share Zadok's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"virtuous, upright"
"grace of God + home ruler"
"pillar, support"
"modern American invented name"
"time, era, period"
"ash tree settlement"
"strengthened by God"
"lord, master"
"the realization that every stranger has a full and vivid life"
"ash tree clearing"
"geographic name from ancient Gaulish"
"island meadow"
"resolute protector"
"fifth"
"little fire (via Aidan)"
"from the new home"
"pledge, hostage"
"riverside town, settlement on the slope"
"hare's valley, valley of hares"
"God is gracious (from Javon/John roots)"
"herald, messenger"
Similar sound: These names share phonetic patterns with Zadok — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Zadok.
Rhythm: Zadok is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.