Avan sits next to 4 phonetic neighbors — Ivan, Evan, and Aven are the closest matches by sound. Most share Avan's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"living water, strength"
"vigilant in battle (from Casey/Cathasach root)"
"noble, bright"
"long life, lifespan"
"heart, mind"
"radiant, brilliant light"
"one who glorifies through remembrance"
"golden chamber, bay window"
"famous land, fame of the land"
"resembling God"
"of the gods"
"founder, first king"
"consecrated, worthy of reverence"
"head of the pass"
"dark one"
"elf ruler"
"to set, to place, to establish"
"great oak, strength"
"God the most high (via Omari)"
"little fire (via Aiden root)"
"brother (informal)"
Similar sound: These names share phonetic patterns with Avan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew/Persian origins, giving them the same cultural heritage as Avan.
Rhythm: Avan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.