Tron sits next to 3 phonetic neighbors — Yvonne, Fern, and Wren are the closest matches by sound. Most share Tron's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"thunder, strength"
"from Venice, from the Veneti people"
"singing, melodious"
"from Denmark, Danish one"
"old, wise river"
"pure, clear"
"white wave, fair and smooth"
Similar sound: These names share phonetic patterns with Tron — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Tron.
Rhythm: Tron is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.