Addison sits next to 3 phonetic neighbors — Madison, Allison, and Emerson are the closest matches by sound. Most share Addison's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Adam"
"star"
"new"
"worthy of love"
"beginning, origin, creation"
"noble kind, of noble birth"
"God is gracious"
"elf power"
"delicate, weakened"
"famous, renowned"
"open, treeless grassland"
"Rye clearing or meadow"
"honor, honorable"
"bright, shining light"
"resurrection"
"strong woman"
"king's meadow"
"work-power, industrious strength"
"pure (via Kayla from Michaela)"
"young green plant, fresh growth of spring"
Similar sound: These names share phonetic patterns with Addison — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Addison.
Rhythm: Addison is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.