Ausie sits next to 5 phonetic neighbors — Austin, Ozzie, and Augie are the closest matches by sound. Most share Ausie's Latin (via Augustus)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"great, venerable"
"Free man; from Germanic karl meaning man or free man, via Old Frenc..."
"nourishing, restorative (plant name connection)"
"hard, earnest + friend"
"meadow by the bow or bend"
"modern invented name, unknown etymology"
"forester, keeper of the forest"
"wide, broad"
"faithful, true, honest"
"Courteous, polite, of the court"
Similar sound: These names share phonetic patterns with Ausie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (via Augustus) origins, giving them the same cultural heritage as Ausie.
Rhythm: Ausie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.