Vance sits next to 3 phonetic neighbors — Lance, Chance, and Dante are the closest matches by sound. Most share Vance's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one who lives near the fens or marshes"
"faithful, loyal, trustworthy"
"God is gracious"
"conviction, guiding principle"
"powerful spearman"
"son of Nicholas (via Cole)"
"little raven"
"aspen tree, quaking poplar"
"oarsman"
"new house"
"bent river or stream"
"hill, high ground"
"throne of the eye (possible etymology)"
"supplanter, one who follows at the heel"
"savior, rescuer"
"stellar explosion, burst of light"
"God will increase, God will add"
"see, a son is born"
"God has made, the Lord has done"
"great one, straining force"
"small songbird"
Similar sound: These names share phonetic patterns with Vance — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Vance.
Rhythm: Vance is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.