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"
"land of the Malay people"
"dark settlement, coal village"
"sea, ocean"
"rose garden"
"hunter, game keeper"
"hawk-like (possible alternative)"
"from the city of Troy (Ilium)"
"modern coined name, meaning unclear"
"hope and assurance"
"delicate, languishing"
"elf ruler with feminine suffix"
"pure"
"joyful celebration, special anniversary"
"alive, living"
"world-encircling river"
"life"
"all, completely beautiful"
"sea and sky"
"my God is abundance"
"dyer of red cloth"
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.