Arizona sits next to 5 phonetic neighbors — Arianna, Ariana, and Izadora are the closest matches by sound. Most share Arizona's O'odham (Native American)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"small spring, place of the little spring"
"promised land, paradise"
"beloved, wished-for child"
"sea (via Kai)"
"strength, life"
"high, noble, strength"
"gentle, tender (linden tree)"
"home strength"
"sun gift (Sunniva variant)"
"torch, bright one"
"dark-complexioned, dark beauty"
"belonging to Julius"
"from the domain of Curtius"
"the Lord sees"
"lively, vigorous"
"strong"
"child of light"
"from the Astor estate (hawk's home)"
"charming, lovable"
"commander, sovereign"
Similar sound: These names share phonetic patterns with Arizona — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have O'odham (Native American) origins, giving them the same cultural heritage as Arizona.
Rhythm: Arizona is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.