Ozzy sits next to 4 phonetic neighbors — Ozzie, Ossie, and Izzy are the closest matches by sound. Most share Ozzy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine power (from Oswald)"
"declared innocent, acquitted"
"arrow maker"
"from the River Clyde"
"oak tree meadow"
"exalted father"
"leader, military commander"
"modern elaboration of Jason"
"lover of horses"
"noble"
"from the green valley"
"servant, messenger"
"Yahweh is my God"
"king"
"land of lakes"
"valley settlement"
"fifth"
"great surrounding sea"
"sun"
"watchful, vigilant (via Casey influence)"
"herb farm, meadow settlement"
Similar sound: These names share phonetic patterns with Ozzy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Ozzy.
Rhythm: Ozzy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.