Nina sits next to 5 phonetic neighbors — Mina, Lina, and Gina are the closest matches by sound. Most share Nina's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace (diminutive of Anna)"
"princess"
"perfect, unblemished"
"flourishing, prosperous"
"commander"
"gem, precious stone"
"little Julia"
"young woman, maiden"
"night, dark beauty"
"the Frenchman, one who is free"
"beautiful"
"noble"
"melody, air (musical term)"
"diminutive of Julia; little Julia"
"wood, forest"
"alive, full of life"
"grace, favor"
"torch, fire"
"noble, of noble birth"
Similar sound: These names share phonetic patterns with Nina — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew/Slavic origins, giving them the same cultural heritage as Nina.
Rhythm: Nina is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.