Luz sits next to 3 phonetic neighbors — Luna, Lupe, and Lucy are the closest matches by sound. Most share Luz's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light"
"grace, favor"
"promised by God, given by God"
"born on Christmas Day, birthday of the Lord"
"gentle, agreeable"
"grace of God"
"one who works the earth"
"olive"
"torch, radiant light"
"queen"
"messenger"
"belonging to the Aemilian family"
"hardworking, industrious"
"honey, sweet"
"rose"
"delicate, gentle"
"lily flower"
"youthful, belonging to the Julian family"
"YHWH is merciful"
"modesty, faithfulness (flower symbolism)"
Similar sound: These names share phonetic patterns with Luz — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Luz.
Rhythm: Luz is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.