Vegas sits next to 3 phonetic neighbors — Vega, Vegas, and Aegis are the closest matches by sound. Most share Vegas's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the meadows, fertile plains"
"from Cyprus"
"combination of brae (hillside) and -lon suffix"
"shield-wolf"
"mythical fire bird of rebirth"
"Yahweh is gracious"
"the good one"
"spear wielder, warrior ruler"
"of the Lord"
"of noble lineage"
"curly-haired"
"serious, sincere, determined"
"new settlement, new town"
"the color red"
"from Chester, the walled city"
"of the forest, woodland dweller"
"elevated, grand"
"independent; nonconformist; unbranded"
"who is like God"
"He is my God"
"of the golden family (Aurelii)"
Similar sound: These names share phonetic patterns with Vegas — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish origins, giving them the same cultural heritage as Vegas.
Rhythm: Vegas is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.