Mordche sits next to 3 phonetic neighbors — Mordecai, Morris, and Morton are the closest matches by sound. Most share Mordche's Babylonian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"servant of Marduk, warrior"
"healer"
"falling, flowing"
"clear, bright"
"Canopus star"
"divine favor"
"leopard, panther"
"gentle, soft"
"from Rome, strong"
"hay valley, from the hay hill"
"eager for battle"
"Angel of Death"
"the very greatest (superlative of Magnus)"
"God's prince"
"alert in battle"
"famous journey"
"variant of Darrell (beloved)"
"of the sea"
"possessor of power"
"to hang, weigh, measure"
"none is like God (rhetorical)"
Similar sound: These names share phonetic patterns with Mordche — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Babylonian origins, giving them the same cultural heritage as Mordche.
Rhythm: Mordche is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.