Sani sits next to 5 phonetic neighbors — Sani, Sunny, and Dani are the closest matches by sound. Most share Sani's Sanskrit-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"old, wise elder"
"triumph, winning"
"date palm, palm tree"
"language, voice"
"cosmic age, era of time"
"brings rain; water-giver"
"the eternal divine"
"gentle, superior (yu) + Big Dipper, leader (to)"
"pure + noun suffix"
"friend"
"industrious ruler"
"free man"
"sound, to ring"
"love (in Japanese feminine usage)"
"God's friend"
"great positive energy"
Similar sound: These names share phonetic patterns with Sani — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hausa origins, giving them the same cultural heritage as Sani.
Rhythm: Sani is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.