Taven sits next to 5 phonetic neighbors — Tavian, Haven, and Caven are the closest matches by sound. Most share Taven's American/Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"modern invented name, possibly eight (from Octavian)"
"healer, to heal"
"bright, luminous"
"variant of Oswin or Ervin"
"the kamani tree (Calophyllum inophyllum)"
"prince, ruler"
"to be, to exist, present"
"flourishing, like a flower"
"noble's settlement"
"right-handed, skillful"
"friend, companion"
"wide, vast"
"little king"
"modern variant of Dawson"
"deer meadow"
"supplanter, one who follows at the heel"
"king's settlement"
"dwelling near the church"
"of the gods"
Similar sound: These names share phonetic patterns with Taven — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American/Latin origins, giving them the same cultural heritage as Taven.
Rhythm: Taven is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.