Elton sits next to 4 phonetic neighbors — Alton, Dalton, and Colton are the closest matches by sound. Most share Elton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"old settlement"
"servant of Marduk"
"industrious, striving"
"green/fresh river"
"friend of the army, warrior's friend"
"consecrated, sacred"
"well-spoken, good word"
"meadow town"
"variant of Javion (possibly from Xavier — savior)"
"unique, strong"
"forefather"
"to wander, traveler"
"broad, prosperous, grand"
"one who catches fish"
"peace"
"highest point, fortified hill"
"vigilant in war"
"bright homestead, bright town"
"new house, bright (via Xavier heritage)"
"slender, narrow"
"son of Madoc, fortunate"
Similar sound: These names share phonetic patterns with Elton — 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 Elton.
Rhythm: Elton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.