Mana sits next to 3 phonetic neighbors — Manu, Mana, and Mona are the closest matches by sound. Most share Mana's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spiritual power, authority, prestige"
"diminutive of Antonio"
"modern melodic creation combining Yama + Mari"
"gathering place, pool"
"defender of mankind"
"God is gracious"
"old, wise elder"
"brings rain; water-giver"
"good change, positive transformation"
"the fire"
"love's path"
"maile vine (sacred Hawaiian plant)"
Similar sound: These names share phonetic patterns with Mana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Polynesian origins, giving them the same cultural heritage as Mana.
Rhythm: Mana is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.