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"
"rock, stone"
"great well"
"from the people (damos)"
"poet"
"elf counsel, supernatural wisdom"
"home ruler"
"father of many nations"
"winding valley"
"victory of the people (from Nicholas)"
"toward the sea, seaward"
"strength, force"
"upright, fair"
"narrow water crossing"
"noble and ready"
"river, great river"
"muddy place, ditch"
"God is my God"
"dispenser of provisions, household steward"
"ruler of the people"
"at the ash tree"
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.