Shai sits next to 3 phonetic neighbors — Shy, Shay, and Chai are the closest matches by sound. Most share Shai's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift, present"
"God enlightens"
"possession, acquisition"
"song, singing bird"
"YHWH is my God"
"follower/servant of Marduk (Babylonian deity)"
"one who supplants, heel-grabber"
"motion, movement"
"swiftness, fleetness"
"remembered by Yahweh"
"exalted father (earlier form Abram)"
"my power is God"
"God is my strength"
"son of the right hand"
"the promised land"
"gift of God"
"God is my salvation"
"archer, one who shoots"
"he will see, he will provide"
"peaceful, whole, complete"
Similar sound: These names share phonetic patterns with Shai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Shai.
Rhythm: Shai is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.