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"
"wonderful, marvelous"
"brave, vigilant"
"eternally beautiful, ever-living"
"merry, joyful"
"who is like God"
"member of the Gauls tribe"
"coal town, dark settlement"
"poetic dream vision"
"pearl"
"my God has answered"
"gift of grace"
"Lake, waterfall"
"one of a kind; singular"
"passage, adventure"
"fine art, artistry"
"Tinsley's field or meadow"
"feminine form of Charles"
"noble strength"
"sky father, father god"
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.