Santy sits next to 4 phonetic neighbors — Sandy, Santi, and Santos are the closest matches by sound. Most share Santy's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"holy, sacred, saintly"
"one who tames"
"free man, man"
"born in November"
"God is my strength"
"protector of men"
"to overcome, to prevail"
"little Cruz (endearment)"
"daring adventurer"
"Little Juan; affectionate diminutive of Juan (John)"
"youthful, downy-bearded"
"house guardian, hall warden"
"god-helmet, protected by divinity"
"gift from God"
"to flow down, to descend"
"citizen of Rome, Roman"
Similar sound: These names share phonetic patterns with Santy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin via Spanish origins, giving them the same cultural heritage as Santy.
Rhythm: Santy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.