Xylon sits next to 3 phonetic neighbors — Dylan, Xander, and Zylon are the closest matches by sound. Most share Xylon's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wood, timber"
"to make merry, celebrate boisterously"
"enlightened, bright, clear"
"God is gracious"
"my, mine (Tagalog possessive)"
"son of, awakening"
"possibly from Vashti, beautiful"
"great, kingly"
"those who are allied"
"tools of the wizard, instruments of healing"
"God is gracious (from Shawn/Sean)"
"joy, song of life"
"exalted one (via Aaron)"
"friends, allies (from Caddo origins of Texas)"
"God is gracious"
"falling, flowing"
"the hay town"
"strong, enduring"
"young man, boy"
"possessing goodness; gift"
"to rise, ascend, increase"
Similar sound: These names share phonetic patterns with Xylon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Xylon.
Rhythm: Xylon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.