Eldon sits next to 5 phonetic neighbors — Alden, Elton, and Elden are the closest matches by sound. Most share Eldon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Ella's hill, Elli's hill"
"raven, crow"
"modern invented variant of Taylor"
"tail, conclusion"
"crooked nose"
"son of the prince (elaborated form)"
"atmospheric mist, haze"
"peace and agreement"
"son of Brice; son of Bryce"
"beloved of the sea"
"of the Dorians"
"whole, healthy"
"to reap, harvest"
"from Rome, Roman pilgrim"
"slender, narrow"
"may God protect"
"powerful leader"
"page boy, herald"
"God has helped"
"flowing, running"
"Yahweh has given"
Similar sound: These names share phonetic patterns with Eldon — 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 Eldon.
Rhythm: Eldon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.