Yichen sits next to 4 phonetic neighbors — Ethan, Yixuan, and Yifan are the closest matches by sound. Most share Yichen's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cheerful morning"
"light of God (related to Uriel)"
"great homestead, large settlement"
"of Mars, warlike"
"little king, of royal descent"
"happy, fortunate"
"peaceful town"
"to rejoice, to be glad"
"judged by God"
"destroyer of enemies, world peace"
"asked for, prayed for"
"beloved"
"kermes-dyed, rich red"
"to rejoice, happy, glad"
"surety, guarantor"
"one who strides, walks with purpose"
"auspicious, favorable"
"modern invented name, creative variant"
"one who brings prosperity"
"of Shiva, belonging to Shiva"
Similar sound: These names share phonetic patterns with Yichen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Yichen.
Rhythm: Yichen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.