Aeson sits next to 4 phonetic neighbors — Jason, Aiden, and Mason are the closest matches by sound. Most share Aeson's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of uncertain meaning, possibly healer"
"land of Eoghan (Owen)"
"guardian, protector"
"peaceful pledge"
"little fire (interpretive)"
"fair, lawful"
"ascent, high"
"small dwelling, storage chest"
"thunder warrior, thunder bear"
"knife, cutting blade of a plow"
"bear-like strength (if related to arth)"
"son of the heart/mind"
"hill"
"red, ruddy"
"dealer, trader"
"queen of the gods"
"to conquer"
"strength, power, courage"
"short form of Tyler or Tyson"
"victorious people (from Gaelic connection)"
"proud descendant, son of the proud one"
Similar sound: These names share phonetic patterns with Aeson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Aeson.
Rhythm: Aeson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.