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"
"throne, sun (alternate Persian/Greek etymology)"
"dear to Saturn"
"modern American creation"
"gracious gift of God"
"strong, vigorous"
"son of Maud"
"scholar"
"gift of God"
"gifted, beautifully unique"
"spring goddess (Persephone's maiden name)"
"rhythm, musical flow, beat"
"bright, shining"
"elf power"
"morning star"
"high, noble (Ali) + grace (Anna)"
"favor, blessedness"
"grace and drop of the sea (Maria + Anna)"
"deep blue-purple color, from India"
"heavenly ocean, royal sea"
"exalted, noble, sublime"
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.