Nani sits next to 5 phonetic neighbors — Naomi, Nadia, and Nana are the closest matches by sound. Most share Nani's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beauty, loveliness"
"prayer, worship"
"diminutive of Elizabeth"
"jasmine flower"
"eagle"
"noble, of noble kind"
"free, independent"
"follower of Christ, Christian"
"old stone place"
"hearth of God, altar"
"jade stone and lake/pool"
"son of the steward"
"dry (referring to the plant's habitat)"
"olive tree, symbol of peace"
"beautiful"
"son of Matthew; gift of God"
"valley"
"God is gracious"
"citizen of Rome"
"mighty in battle"
"of noble birth"
Similar sound: These names share phonetic patterns with Nani — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian origins, giving them the same cultural heritage as Nani.
Rhythm: Nani is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.