Giannis sits next to 5 phonetic neighbors — Yannis, Giovanni, and John are the closest matches by sound. Most share Giannis's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"God has helped"
"of the Octavius clan"
"Christ-carrier"
"difficult journey"
"God is gracious"
"staff bearer, wand wielder"
"free man"
"mountain"
"brave as a bear, strong bear"
"beloved"
"born at dawn, of the light"
"supplanter, he who follows at the heel"
"God has helped"
"of Dionysus, god of wine"
"spirit, divine inner power"
"born at dawn, bringer of light"
"victory of the people"
"alive, vital"
Similar sound: These names share phonetic patterns with Giannis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew (via Greek Ioannis) origins, giving them the same cultural heritage as Giannis.
Rhythm: Giannis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.