Anastacio sits next to 4 phonetic neighbors — Anastasia, Ignacio, and Eustacio are the closest matches by sound. Most share Anastacio's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"resurrection, one who will rise again"
"victorious (if related to Cairo)"
"industrious, striving"
"wrathful, full of wrath"
"calf, young animal"
"wise protector"
"bearer of Christ"
"wealth, fortune, prosperity"
"God is with us"
"bright fame"
"God is my joy"
"God strengthens"
"victor's crown"
"God is with us"
"God has given"
"lion of men"
"from the place Taveiro"
"flat-footed"
"flourishing, vigorous"
"blind"
Similar sound: These names share phonetic patterns with Anastacio — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Anastacio.
Rhythm: Anastacio is a 5-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.