Elester sits next to 4 phonetic neighbors — Lester, Elster, and Alistair are the closest matches by sound. Most share Elester's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Leicester (Roman fort on the River Leir)"
Similar sound: These names share phonetic patterns with Elester — 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 Elester.
Rhythm: Elester is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.