Alekai sits next to 4 phonetic neighbors — Alexander, Alika, and Kai are the closest matches by sound. Most share Alekai's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of mankind"
"the wind, breath of life"
"to boil, to be alive"
"gift of God"
"invented modern name (no established meaning)"
"prince, leader"
"love (in Japanese feminine usage)"
"harmony, union"
"iron, strength"
"God is gracious"
Similar sound: These names share phonetic patterns with Alekai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Hawaiian origins, giving them the same cultural heritage as Alekai.
Rhythm: Alekai is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.