Odell sits next to 4 phonetic neighbors — Odell, Dell, and Adel are the closest matches by sound. Most share Odell's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"place of the blue dye plant"
"Eorla's settlement (personal name etymology)"
"light"
"fire demon (fictional)"
"free man"
"defender at the weir or fortress"
"rocky land"
"fox-colored"
"wood, timber"
"strength"
"eternal, everlasting"
"young male, beloved son"
"defender of men"
"descendent of Andrew; virile"
"modern coinage inspired by Zion (holy place)"
"blue crested bird"
"hay valley, from the hedged valley"
"slender, narrow one"
"fur trapper, frontiersman"
"song of praise"
"God is salvation"
Similar sound: These names share phonetic patterns with Odell — 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 Odell.
Rhythm: Odell is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.