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)"
"God knows"
"God is my strength"
"land of purple dye"
"praise through music"
"possession, acquisition"
"bold, mighty"
"help, helper"
"God sees, God allocates"
"gentle, tamed"
"peace"
"son of the right hand"
"may God protect (alternative interpretation)"
"he will see, he will provide"
"speed of God"
"name of God"
"God has remembered"
"swiftness, fleetness"
"divine might"
"father of light"
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.