Yanis sits next to 4 phonetic neighbors — Yannis, Janis, and Janos are the closest matches by sound. Most share Yanis's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"defender of men"
"growing, flourishing in purity"
"tumult, riot"
"lord of the marches, march warden"
"worthy, powerful"
"Praiseworthy, commendable"
"noble and ready"
"patient, persecuted"
"defender, protector, warrior"
"very handsome, beautiful"
"immortal, deathless"
"universal ruler"
"may God protect"
"tree, oak tree"
"protector of men"
"crown, wreath"
"lover of the earth"
Similar sound: These names share phonetic patterns with Yanis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Greek origins, giving them the same cultural heritage as Yanis.
Rhythm: Yanis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.