Aros sits next to 4 phonetic neighbors — Eros, Aaron, and Aris are the closest matches by sound. Most share Aros's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"river mouth, estuary"
"painted, speckled"
"rocky hill, outcropping"
"son of Clement, gentle one"
"Prosperous spear; rich with fortune. A dialectal and Anglicized var..."
"openness, frankness, sincerity"
"craftsman, smith"
"rapid strike"
"appointed by God"
"high settlement, village on elevated land"
"head, leader, chief"
"very famous, great renown"
"powerful ruler"
"From Old French mote meaning a mound, hillock, or moat; a topograph..."
"fair; white; bright"
"western meadow"
"sky, firmament"
Similar sound: These names share phonetic patterns with Aros — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Aros.
Rhythm: Aros is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.