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"
"crown, wreath"
"exalted, noble, high"
"ruler's counsel"
"kingly"
"peaceful ruler"
"gift of Yahweh"
"valley settlement"
"superlative of magnus (great)"
"red (hair color)"
"Yahweh has strengthened"
"warrior, man"
"noble bright (adal + beraht)"
"benevolent, kind"
"fair, white, bright"
"elder, more important"
"deep valley; hollow valley"
"of the Fabian family"
"frisky, energetic youth"
"Yahweh is God"
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.