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"
"steward, manager"
"pearl"
"noble ruler"
"God has answered"
"little rose"
"precious blue gemstone"
"fair, pleasant companion"
"blessed"
"vigilant, watchful"
"whole, universal"
"Cyneburg's field, royal forest clearing"
"beautiful, rare and precious"
"graceful vine"
"woman from Magdala, tower"
"defender of men"
"princess, noble lady"
"deep affection, devotion"
"pledged to God"
"divine messenger"
"candle maker, candle merchant"
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.