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"
"the lord (divine title)"
"source, wellspring"
"experienced in rule"
"Roman clan name Horatius (origin uncertain)"
"heel, ankle"
"king's ford"
"handsome at birth"
"counsel wolf"
"royal enclosure"
"son of Rath (prosperity)"
"creative American name combining Ty + Reese"
"Yahweh is gracious"
"fingernail, claw"
"one who works with stored grain"
"may God smile"
"a days work or travel"
"worshiper of God"
"maker, builder"
"see, the son"
"to flow down, descend"
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.