Aquinas sits next to 4 phonetic neighbors — Aquila, Acquino, and Aquino are the closest matches by sound. Most share Aquinas's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Aquino (place name)"
"beloved"
"venomous snake"
"Seventh Hindu calendar month"
"complete rising, dawn of fortune"
"prince, commander"
"sage of the day, daylight seer"
"beloved King/Qing (celebration, capital)"
"Modern variant of Maxwell (great stream or Mack's well) with double..."
"modern invented name with edgy sound"
"cap maker or seller"
"most handsome"
"Thor's warrior; strength"
"dear prince, beloved leader"
"Non-dual, without a second, unique"
Similar sound: These names share phonetic patterns with Aquinas — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Aquinum origins, giving them the same cultural heritage as Aquinas.
Rhythm: Aquinas is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.