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)"
"peaceful, whole, complete"
"God has strength, the strength of God"
"city of the moon"
"Canaan, land of merchants"
"motion, movement"
"my God is salvation"
"one who hears, God has heard"
"beloved of God"
"remembered by Yahweh"
"high mountain, exalted"
"praise through music"
"God is my strength"
"city of God (alternate interpretation)"
"shining, luminous"
"God sees, God allocates"
"father of many nations"
"God is my strength"
"beloved of God"
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.