Augustine sits next to 4 phonetic neighbors — Augustus, Austin, and August are the closest matches by sound. Most share Augustine's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"great, venerable, majestic"
"son of the red-haired one"
"man of laurels, from Laurentum"
"exalted father"
"modern blend of Kyle and Tyler"
"strength, force"
"little fawn"
"hillside dweller"
"maker of cases or boxes"
"from the green valley"
"sea-born, born of the sea"
"requested of God"
"Frankish person"
"keeper of horses, horse servant"
"beloved"
"God has given"
"good place"
"healer"
"little warrior"
"king, royalty"
"right-handed, skillful"
Similar sound: These names share phonetic patterns with Augustine — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Augustus origins, giving them the same cultural heritage as Augustine.
Rhythm: Augustine is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.