Santi sits next to 4 phonetic neighbors — Santino, Dante, and Santos are the closest matches by sound. Most share Santi's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter, he who follows at the heel"
"Yahweh is merciful"
"may God protect (folk etymology from Santiago)"
"doubly fruitful"
"born at dawn, bringer of light"
"speaking good things"
"bear strength"
"primordial force of attraction"
"from Mauritania"
"cross"
"stammering, lisping"
"divine power, God's power"
"related to Mary, beloved"
"my God has helped"
"saved in battle"
"friend, darling"
"farmer, earth-worker"
"God is my ornament"
Similar sound: These names share phonetic patterns with Santi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Spanish origins, giving them the same cultural heritage as Santi.
Rhythm: Santi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.