Luxx sits next to 4 phonetic neighbors — Lux, Luke, and Luck are the closest matches by sound. Most share Luxx's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light, illumination"
"venerable, revered"
"vigor, earnestness, seriousness in battle"
"the one who flew"
"slave of the Lord"
"oak, fertile, fruitful"
"enclosure, yard, garden"
"short land, curtailed land"
"noble watchman"
"marked one"
"shelter or protection from light"
"old power, noble ruler"
"sky-inspired modern coinage"
"gift of God, godlike"
"a fast-moving projectile, symbol of speed and ambition"
"crew, group, social organization"
"new settlement, new town"
"brewer, one who brews"
"protector of people"
"royal title for kings children (Iberian)"
"battle spirit"
Similar sound: These names share phonetic patterns with Luxx — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Luxx.
Rhythm: Luxx is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.