Kylin sits next to 3 phonetic neighbors — Kylan, Kylian, and Colin are the closest matches by sound. Most share Kylin's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"auspicious mythical creature"
"descendant of the courageous one"
"descendant of Ceallach"
"warrior, fighter"
"divine, god"
"hero (cultural/gaming)"
"tailor, cutter of cloth"
"ruler of the land"
"strong as a lion"
"little bear, bear cub"
"valley dweller, from the valley"
"Greece, Ionia (biblical Javan)"
"fortress, walled Roman camp"
"descendant of the salmon"
"messenger of God"
"creative elaboration of Finn"
"the color gray"
"invented modern name"
"from Hugh's town"
"royal power, royal ruler"
"he who resembles God (rhetorical)"
Similar sound: These names share phonetic patterns with Kylin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Kylin.
Rhythm: Kylin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.