Ai sits next to 4 phonetic neighbors — Aya, Ai, and Ivy are the closest matches by sound. Most share Ai's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"indigo, blue"
"little hill; one who lives near the rocky knoll"
"hero of God, God's champion"
"my personal God accepts"
"majestic, sublime"
"gentle rhythmic movement, to bend gracefully"
"meadow on a ledge (from Shelley root)"
"goddess of fortune and luck"
"laurel, victory"
"dark beauty"
"God has shown favor"
"water"
"Wistar's flower"
Similar sound: These names share phonetic patterns with Ai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Ai.
Rhythm: Ai is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.