Avner sits next to 4 phonetic neighbors — Abner, Avner, and Avner are the closest matches by sound. Most share Avner's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"father of light"
"beautiful"
"God's strength"
"my God is an oath"
"peaceful, gentle"
"drawn from the water"
"eighth (as short form of Octavian)"
"made by God"
"father of King David"
"gift of YHWH"
"beloved of God"
"defender of men"
"dove (from Yona/Jonah)"
"command of Aku"
"hand of God"
"strong, firm, enduring"
"father of many nations"
"life, alive"
"friend, companion"
Similar sound: These names share phonetic patterns with Avner — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Avner.
Rhythm: Avner is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.