Vuk sits next to 4 phonetic neighbors — Buck, Luc, and Brock are the closest matches by sound. Most share Vuk's Old Slavic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wolf"
"keeper of the keys"
"beauty, charm"
"wise army, counsel-warrior"
"invented; possibly eighth (via Octavius)"
"honorable, magnanimous"
"light of the sky"
"dark, full; complete darkness"
"pure, clean, blessed"
"reddish-haired, ruddy complexion"
"graceful, well-formed"
"people who speak the Maa language"
"Raven; dark messenger"
"rich, wealthy guardian (from Eduardo)"
"ruler of the army (via Walter)"
"spirit, divine breath"
"all-wise"
"of legend, mythic, extraordinary"
"archer (from the myth of Arash Kamangir)"
"made by God"
"long hill, ridge settlement"
Similar sound: These names share phonetic patterns with Vuk — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Slavic origins, giving them the same cultural heritage as Vuk.
Rhythm: Vuk is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.