Yicheng sits next to 3 phonetic neighbors — Yichen, Yifeng, and Yizheng are the closest matches by sound. Most share Yicheng's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"suitable and honest (宜诚)"
"one who breaks (through enemies)"
"one who fulfills, generous"
"invented modern name; no historical meaning"
"moonlight (via Kamari)"
"one blessed with divine grace, gift of Shiva"
"asked of God"
"Mountain of divine revelation"
"wise army, counsel-warrior"
"freshness, water"
"crystal, sparkle"
"marabout, holy man"
"strong, firm, enduring"
"Strong, unyielding, resilient"
"Beautifier, one who brings beauty"
"call to prayer"
"full of comfort"
"short form of Maverick, from Samuel Maverick's unbranded cattle"
"he who heals with herbs"
"thorny shrub, wild rose"
"helper, one who assists"
Similar sound: These names share phonetic patterns with Yicheng — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Yicheng.
Rhythm: Yicheng is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.