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)"
"heart"
"supplanter"
"praiseworthy, beautiful"
"silver, bright, shining"
"he whose aims are fulfilled"
"variant of Elias: my God is Yahweh"
"Settlement near the well"
"the right time"
"flowing down, to descend"
"Gift of God"
"helper, protector"
"one who breaks (through enemies)"
"enduring, lasting"
"possession, acquired"
"heavenly city, promised land"
"gift of God"
"divine gift (blended)"
"strong, heroic warrior"
"healer"
"Stream, flowing"
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.