Luka sits next to 3 phonetic neighbors — Luke, Luca, and Lucas are the closest matches by sound. Most share Luka's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light, illumination"
"divine gift"
"my God is Yahweh"
"son of Jack"
"battle worthy"
"From the Aramaic 'Toma', meaning twin; borne by the Apostle Thomas"
"messenger"
"the river Jordan"
"from Laurentum, crowned with laurel"
"God is salvation, the Lord saves"
"bald, hairless"
"independent thinker, nonconformist"
"stoneworker, bricklayer"
"Yahweh remembers"
"young horse tender"
"God will raise up"
"fiery, warm"
"the Lord is my God"
"descendant of Bradán (salmon)"
"deep valley; hollow valley"
"little one"
Similar sound: These names share phonetic patterns with Luka — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (Lucius) origins, giving them the same cultural heritage as Luka.
Rhythm: Luka is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.