Savanna sits next to 4 phonetic neighbors — Savannah, Savana, and Shavanna are the closest matches by sound. Most share Savanna's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flat tropical grassland"
"my God is gracious"
"little Alice, noble truth"
"hillside meadow"
"all-encompassing, entire"
"luminous glow, energy field"
"beautiful picture, painted beauty"
"hillside lake"
"reborn, born again"
"night angel"
"youthful"
"defender of mankind"
"forever blooming"
"graceful ray of light"
"bailiff, law enforcer"
"spring goddess (Persephone's maiden name)"
"angelic, messenger of God"
"grace (via resemblance to gracia)"
"small, humble"
"lame, the lame one"
"Cyneburg's field, royal forest clearing"
Similar sound: These names share phonetic patterns with Savanna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Taíno via Spanish origins, giving them the same cultural heritage as Savanna.
Rhythm: Savanna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.