Donny sits next to 4 phonetic neighbors — Ronnie, Johnny, and Lonnie are the closest matches by sound. Most share Donny's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler of the world"
"asked of God, prayed for"
"my God is light"
"little rock, little stone"
"strength of God"
"son of Jacob"
"forest, wood, timber"
"zero, emptiness, infinite possibility"
"priest"
"blameless and complete before God"
"son of Morris/Maurice"
"God supports, God heals"
"divine gift"
"who is like God?"
"descendant of Brocán (little badger)"
"bouquet, bunch"
"of Anthony, son of Anthony (via De- prefix)"
"constructed blend name"
"fit, shapely, graceful"
"bold journey, brave traveler"
"woodland clearing, meadow"
Similar sound: These names share phonetic patterns with Donny — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Donny.
Rhythm: Donny is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.