Zeno sits next to 3 phonetic neighbors — Xeno, Reno, and Zeno are the closest matches by sound. Most share Zeno's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of Zeus"
"supplanter (via Jacob/James)"
"hero, champion, semi-divine mortal"
"God has given"
"crown, wreath"
"born on Sunday"
"Romantically associated with the poet Lord Byron meaning noble and ..."
"precious green stone"
"messenger of God, divine angel"
"God strengthens"
"God is gracious"
"tail, conclusion"
"garden, orchard (as short for Carmelo)"
"gentle, lenient"
"gift of God"
"eighth"
"very handsome, beautiful"
"priceless, of inestimable worth"
"divinely famous, famous through God"
"crowned one, garland-wearer"
Similar sound: These names share phonetic patterns with Zeno — 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 Zeno.
Rhythm: Zeno is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.