Geoni sits next to 4 phonetic neighbors — Joni, Roni, and Leoni are the closest matches by sound. Most share Geoni's Hebrew (gaon + i possessive suffix)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my pride, my genius, my eminence"
"blessed one"
"royal advisor, kingly counselor"
"fortunate, successful"
"one who listens intently, listener"
"river, water course"
"Possibly lion (from Levon/Leon) or a modern creative invention"
"Water of life; the distilled spirit drink"
"sensitive perceiver, artist of words"
"place of destruction, the abyss"
"Lofty; exalted; high mountain"
"rounded hill, trunk-shaped land"
"time of peace, the appointed time"
"from the barley meadow (topographic)"
"brave lion, lion-strong"
"fate, destiny, one's allotted share"
Similar sound: These names share phonetic patterns with Geoni — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew (gaon + i possessive suffix) origins, giving them the same cultural heritage as Geoni.
Rhythm: Geoni is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.