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"
"stag's clearing"
"alder tree, from the grove"
"vigilant in battle (from Casey/Cathasach root)"
"initials — varies by family"
"sparkling stone"
"valley dweller, from the meadow"
"hawk"
"new town"
"impulsive, wrathful"
"father of peace"
"born of laughter, joy"
"variant of Oswin or Ervin"
"divine mother goddess (Irish)"
"resembling God"
"homestead on the rock"
"to wait, to summon"
"modern invented name, literary creation"
"ash tree clearing"
"solid, strong foundation"
"that which is yet to come"
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.