Zavian sits next to 5 phonetic neighbors — Xavier, Xavian, and Zavier are the closest matches by sound. Most share Zavian's Basque (via Xavier)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"new house, bright"
"modern invented name, valley dweller (from -den suffix)"
"son of Jack"
"son of Peter (son of the rock)"
"people's champion, victorious one"
"son of Gilbert, son of Gib"
"tailor, cutter of cloth"
"charcoal maker"
"safe, unharmed (proposed etymology)"
"resolute protector"
"Yahweh sees"
"from Clare (Suffolk)"
"famous in battle"
"built by the Lord"
"God has remembered"
"noise, tumult"
"little poet, little philosopher"
"land of oak trees"
"watchful, vigilant"
"modern creative name construction"
"slender, narrow"
Similar sound: These names share phonetic patterns with Zavian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Basque (via Xavier) origins, giving them the same cultural heritage as Zavian.
Rhythm: Zavian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.