Xen sits next to 4 phonetic neighbors — Zen, Sven, and Ben are the closest matches by sound. Most share Xen's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"stranger, guest, foreigner"
"the ruby gemstone"
"angelic, messenger"
"variant of Karen or Karin"
"from 'deaglán', possibly 'good man'"
"strength, virtue, honor"
"man of prayer"
"carrier of burdens"
"love"
"He shines"
"craftsman, smith"
"the best, most excellent"
"the lord (divine title)"
"diminutive of Nicholas"
"brave heart, heart guardian"
"gift of God, godlike"
"tall, noble"
"fragrant spice"
"God enlightens, he shines"
"strong, powerful"
Similar sound: These names share phonetic patterns with Xen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Xen.
Rhythm: Xen is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.