Zyhir sits next to 4 phonetic neighbors — Zahir, Zaire, and Zephyr are the closest matches by sound. Most share Zyhir's Arabic Zahir-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"visible, conspicuous, helper"
"he who holds firm the good"
"respectable, virtuous"
"of the Marco family"
"variant of Dakarai (happiness)"
"completion, eternity"
"singer, one who praises"
"manly, warrior (from Andre component)"
"lordly, master (via Cyril)"
"dark, swarthy (from Irish Dubhán)"
"born of light"
"of Mars, warlike"
"creative modern invention"
"sincere, genuine"
"of the sea, of Mario"
"he is Yah (God)"
"prince, commander, ruler"
"prince, royal heir"
Similar sound: These names share phonetic patterns with Zyhir — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic Zahir origins, giving them the same cultural heritage as Zyhir.
Rhythm: Zyhir is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.