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"
"rye clearing, rye meadow"
"solitary monk, single house"
"new house, new home"
"goodness"
"blessed"
"hollow, vain (from Latin Cassius)"
"son of Tray"
"wise protector"
"modern invented name with Z energy"
"little warrior"
"new house"
"meadow, pasture (possible alternate)"
"craftsman, smith"
"joined, attached"
"he who descends"
"greatest"
"maker, builder"
"fire of God"
"defender of men"
"knife, cutler"
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.