Augustus sits next to 4 phonetic neighbors — August, Augustine, and Augusto are the closest matches by sound. Most share Augustus's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"favored by the gods"
"enthusiasm, ardent"
"comforted by God"
"hillside dweller"
"consecrated to Mars"
"the jay bird, blue jay"
"great brightness, sea circle"
"little star"
"breath, vapor, impermanence"
"pilgrim to Rome; from Rome"
"son of Owen"
"blazing iron"
"victory of the people"
"leatherworker, craftsman"
"protector of men"
"speckled, freckled"
"high-spirited person"
"wise protector"
"good man"
"priest's town, priestly settlement"
"illustrious through nobility"
Similar sound: These names share phonetic patterns with Augustus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Augustus.
Rhythm: Augustus is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.