Raina sits next to 4 phonetic neighbors — Reina, Rayna, and Rena are the closest matches by sound. Most share Raina's Slavic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"queen"
"abundance"
"illustrious, brilliant"
"each of the two"
"God has answered"
"little king"
"maiden, young girl"
"daughter of the sea"
"meadow of the wren"
"little angel"
"golden, of gold (d'or)"
"grace and drop of the sea (Maria + Anna)"
"lake (suffix)"
"Mae (spring month) + Lynn (lake)"
"sun goddess"
"alive, living"
"gracious gift of God"
"sea, ocean"
"night angel"
"garden of holly"
Similar sound: These names share phonetic patterns with Raina — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Raina.
Rhythm: Raina is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.