Indiana sits next to 5 phonetic neighbors — Diana, Adriana, and Savannah are the closest matches by sound. Most share Indiana's American English/Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"land of the Indians"
"coconut"
"great mother, goddess"
"creative form of Ellery"
"river and pool, flowing water"
"son of Nicholas"
"goddess of the moon and hunt"
"beautiful flower"
"noble"
"heavenly, divine"
"protector of mankind"
"feminine form of Charles"
"heaven reversed, a child from heaven"
"small sheltered bay or inlet"
"gift of God"
"kernel, grain"
"strength of God"
"life"
"work, industrious"
"little one who is loved"
Similar sound: These names share phonetic patterns with Indiana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American English/Latin origins, giving them the same cultural heritage as Indiana.
Rhythm: Indiana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.