Raynor sits next to 4 phonetic neighbors — Rayner, Rainer, and Rayne are the closest matches by sound. Most share Raynor's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wise army, counsel-warrior"
"fruitful, productive"
"crowned with laurel, victorious"
"mercy, eternal"
"related to Cash, from Old French casse meaning chest or box"
"Comfort and consolation in times of distress"
"God is gracious"
"water sprite, water spirit"
"divine protection"
"dwelling by the stream"
"pure, innocent"
"He whom Yahweh remembered"
"Brock's settlement (place name origin)"
"mountain village; reason of the mountains (Japanese interpretation)"
"name of God"
"song, nightingale"
"strong-willed warrior"
"Fortune, riches"
"little dark one"
"all-wise"
"whole, powerful"
Similar sound: These names share phonetic patterns with Raynor — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Germanic Raginhar origins, giving them the same cultural heritage as Raynor.
Rhythm: Raynor is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.