Kylo sits next to 5 phonetic neighbors — Kyler, Kilo, and Milo are the closest matches by sound. Most share Kylo's American fiction-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"invented name, possibly evoking sky"
"keeper of horses, horse servant"
"cheerful settlement"
"son of marsh-dwellers"
"good fortune, luck"
"modern coined name"
"anointed one"
"muddy place, ditch"
"from the brushwood thicket"
"healer (if derived from Jason/Kason)"
"keeper of the pantry"
"one who transports goods by cart"
"park, game preserve"
"young creature, cub"
"free, liberated"
"Beauty, grace"
"fingernail, claw"
"counsel's guardian"
"masterless samurai"
"son of the blessed one"
"southern settlement, south farm"
Similar sound: These names share phonetic patterns with Kylo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American fiction origins, giving them the same cultural heritage as Kylo.
Rhythm: Kylo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.