Tavian sits next to 4 phonetic neighbors — Tavon, Gavin, and Favian are the closest matches by sound. Most share Tavian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"eighth, born eighth"
"God enlightens, he shines"
"small amphibian (secondary association)"
"related to Kimani: full of life"
"goodness"
"son of Rawlin"
"independent; nonconformist; unbranded"
"enlightened, bright"
"warrior, fighter"
"flowing river"
"day"
"king's ford"
"God has appointed"
"from Sebastia"
"modern American invented name"
"beautiful (phonetic usage)"
"rock, stone"
"dear one, beloved"
"who is like God? (rhetorical, meaning no one)"
"valley"
"fingernail, claw"
Similar sound: These names share phonetic patterns with Tavian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Tavian.
Rhythm: Tavian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.