Karson sits next to 3 phonetic neighbors — Carson, Karsen, and Cason are the closest matches by sound. Most share Karson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of marsh-dwellers"
"crow, dark bird"
"lotus flower"
"dark one, black"
"of the bean growers (Fabii clan)"
"little saint"
"alert, watchful, vigilant"
"toward the sea, seaward"
"dark man's settlement, coal-black farm"
"ruler's counsel"
"son of Kyle"
"son, young boy"
"son of the fair one"
"strength, force"
"broad meadow"
"counsel's guardian"
"kingly"
"modern blend of Kyle and Tyler"
"settlement of the raven's people; raven-town"
"befitting a king"
Similar sound: These names share phonetic patterns with Karson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse/English origins, giving them the same cultural heritage as Karson.
Rhythm: Karson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.