Oberon sits next to 4 phonetic neighbors — Auberon, Orion, and Obadiah are the closest matches by sound. Most share Oberon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elf ruler"
"goddess of night"
"bright heart, brilliant mind"
"healer, to heal"
"gracious, dear one"
"bright fame"
"to set, to place, to establish"
"of the gods"
"God enlightens"
"noble ruler, old king"
"island meadow"
"consecrated, revered"
"ruler of the world"
"skilled, expert, proficient"
"modern invented name with energetic sound"
"my God is Yahweh"
"broad hill"
"thin, lean"
"anointed one"
"symbol of resilience and mourning"
Similar sound: These names share phonetic patterns with Oberon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Oberon.
Rhythm: Oberon is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.