Dewey sits next to 4 phonetic neighbors — Louie, Huey, and Dooley are the closest matches by sound. Most share Dewey's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beloved"
"power of the homeland"
"large homestead, big village"
"Yahweh has saved"
"divine door (from Kobe, Japan)"
"king"
"gracious, merciful"
"God will strengthen, God strengthens"
"from the long shore"
"appointed by God"
"sickness; weakness"
"golden chamber, bay window"
"God is the Lord"
"God is gracious (from Hebrew Yochanan via Welsh)"
"brave, courageous"
"from Luca, of the light"
"speed of God"
"acquired, craftsman (via Hebrew Cain/Kaine)"
"bright-headed"
"realm of the dead"
Similar sound: These names share phonetic patterns with Dewey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Welsh origins, giving them the same cultural heritage as Dewey.
Rhythm: Dewey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.