Yannis sits next to 4 phonetic neighbors — Yannis, Yanni, and Janis are the closest matches by sound. Most share Yannis's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"night"
"godly, divine"
"the unseen"
"stone marker, boundary"
"pledge, hostage"
"he who has the people distressed"
"gift of God"
"God saves, salvation"
"helper, one who defends"
"of the earth"
"king, ruler"
Similar sound: These names share phonetic patterns with Yannis — 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 Yannis.
Rhythm: Yannis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.