Eriksson sits next to 5 phonetic neighbors — Ericson, Erikson, and Harrison are the closest matches by sound. Most share Eriksson's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Erik"
"olive tree, peace"
"ever king"
"son of a free man"
"peaceful ruler"
"ridge meadow"
"strong decision-maker"
"bright, clear"
"treasurer, keeper of treasure"
"to rejoice"
"keeper of treasure"
"Jehovah is God"
"of the faith, religion"
"short form of Reinhard (pure heart) or Reinier"
"meadow land, fallow land"
Similar sound: These names share phonetic patterns with Eriksson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Eriksson.
Rhythm: Eriksson is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.