Alesana sits next to 4 phonetic neighbors — Alessandra, Alissandra, and Rosanna are the closest matches by sound. Most share Alesana's Greek via Samoan-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of mankind"
Similar sound: These names share phonetic patterns with Alesana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Samoan origins, giving them the same cultural heritage as Alesana.
Rhythm: Alesana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.