Light sits next to 5 phonetic neighbors — Leight, Lite, and Lyte are the closest matches by sound. Most share Light's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"illumination, radiance"
"the sacred crop"
"God has been gracious (via John/Jack)"
"belonging to Artemis"
"curly-haired"
"initials name, no fixed meaning"
"of the Lord"
"land of the East Saxons"
"like a lion, of Leon"
"small amphibian (secondary association)"
"prosperous ruler"
"mythical fire bird of rebirth"
"he who descends"
"hospitality toward strangers"
"my messenger, my angel"
"ancestor's descendant (alternative etymology)"
"youth, pup"
"nobleman, patrician (via Patrick)"
"chosen, selected, picked out"
"one who does not follow the herd"
Similar sound: These names share phonetic patterns with Light — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English (lēoht) origins, giving them the same cultural heritage as Light.
Rhythm: Light is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.