Gigi sits next to 4 phonetic neighbors — Jiji, GG, and Lola are the closest matches by sound. Most share Gigi's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"earth worker (via Georgina)"
"land surrounded by water"
"estate of Cynsige's people"
"wonderful beauty (mira + belle)"
"ancient capital city"
"God is gracious"
"nation, community"
"night, dark beauty (Arabic root)"
"one of high honor"
"sea dragon, small"
"port, harbor"
"weary, delicate"
"home in a grove, elevated terrain"
"high, exalted"
"one who resists authority, defiant"
"possibly related to Eliza (my God is an oath)"
"of great value, beloved, cherished"
"little one who is loved"
"from India, land of the Indus"
"life, living"
"holder of the heel"
Similar sound: These names share phonetic patterns with Gigi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via French origins, giving them the same cultural heritage as Gigi.
Rhythm: Gigi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.