Edson sits next to 5 phonetic neighbors — Edison, Addison, and Hudson are the closest matches by sound. Most share Edson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Ed, son of the wealthy guardian"
"ruler of supernatural beings"
"court musician, entertainer"
"brown, chief"
"modern invented name, unique spirit"
"deep blue color"
"the carved one (alternate etymology)"
"venerable, revered"
"born on Tuesday (Akan day name)"
"fate, fortune"
"hard spear (from Welsh Peredur)"
"new house, new home"
"high place, hill top"
"Dutch diminutive form of Adriaan"
"Moorish, dark-complexioned"
"marshy land by a lake"
"God is gracious (via Eoin/John)"
"farmer, earth worker"
"sweet-smelling resin"
"new house (from Xavier root)"
"from the kaupa (trading) land"
Similar sound: These names share phonetic patterns with Edson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English (patronymic) origins, giving them the same cultural heritage as Edson.
Rhythm: Edson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.