Savana sits next to 3 phonetic neighbors — Savannah, Savanna, and Susanna are the closest matches by sound. Most share Savana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"open grassland, treeless plain"
"from the east"
"God is gracious"
"famous, illustrious"
"of noble birth"
"from the city of Kimberley (South Africa)"
"who is like God"
"beloved, star of the sea (Mary) + famous warrior (Lou)"
"lyrical, relating to music and song"
"fortune, wealth in battle"
"fair, white, blessed"
"bright, shining one"
"flowing water clearing"
"strength, valor"
"gentle wind"
"land power, territorial might"
"ship victory"
"captivating, alluring, powerfully attractive"
"twin"
Similar sound: These names share phonetic patterns with Savana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Taino via Spanish origins, giving them the same cultural heritage as Savana.
Rhythm: Savana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.