Vonn sits next to 4 phonetic neighbors — Von, Vaughn, and Don are the closest matches by sound. Most share Vonn's Germanic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from, of (noble origin)"
"little swift one, bright and pleasant"
"God will teach, God's light"
"God has heard (from Ja-/Jacob root) + spirit of battle (from Kayden)"
"broad, wide"
"superior, first in rank"
"people's ruler"
"modern coined name, possibly hillside light"
"shadow, area of darkness"
"son of Benjamin"
"modern American creation"
"who is like God? (rhetorical — no one is)"
"army protector"
"youth, pup"
"valley, dale"
"Yahweh is gracious"
"he enlightens"
"elder tree island"
"village of the Danes"
"gift"
"God is gracious"
Similar sound: These names share phonetic patterns with Vonn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Vonn.
Rhythm: Vonn is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.