Mordechai sits next to 4 phonetic neighbors — Mordecai, Marcus, and Mordechai are the closest matches by sound. Most share Mordechai's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"follower/servant of Marduk (Babylonian deity)"
"city of God (alternate interpretation)"
"strength"
"God is my troop, God is my strength"
"the promised land"
"peace"
"bold, mighty"
"my God is salvation"
"God has remembered"
"peace"
"help, helper"
"behold, a son"
"laughter"
"his excellence, his preeminence"
"fragrant, sweet-smelling"
"motion, movement"
"lion"
"may God protect (alternative interpretation)"
"the Lord supports"
Similar sound: These names share phonetic patterns with Mordechai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Babylonian origins, giving them the same cultural heritage as Mordechai.
Rhythm: Mordechai is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.