Xia sits next to 6 phonetic neighbors — Sia, Shia, and Mia are the closest matches by sound. Most share Xia's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ancient dynasty, civilization's beginning"
"one with discernment and authority"
"descendant of Cathach"
"angel, divine messenger"
"women (plural)"
"fortunate, favored by luck"
"to sing, musical"
"absorbed in God"
"night rain (from Amaya root)"
"from Jilan (a region in Iran)"
"one who abstains, one who weans a child"
"torch, radiance"
"bear strength"
"world, universe"
"beautiful"
"guardian, protector"
"whole, universal"
"beautiful, flourishing"
"hazel tree"
"small love (diminutive of amor)"
"settlement of Paega (a personal name)"
Similar sound: These names share phonetic patterns with Xia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Xia.
Rhythm: Xia is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.