Ester sits next to 3 phonetic neighbors — Esther, Hester, and Estelle are the closest matches by sound. Most share Ester's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star"
"great tower"
"harmony of sounds, consonance"
"from the hay field"
"from the Lorraine region of France"
"God is gracious"
"winding valley"
"beloved, dear one"
"royal valley"
"isle of apples"
"little Ann, beloved Ann"
"pure"
"graceful beauty"
"the bright one"
"strong in work, industrious strength"
"morning star, bright light"
"rhythm, musical flow"
"pearl"
"violent weather, tempest"
"to carry, to endure"
Similar sound: These names share phonetic patterns with Ester — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew/Persian origins, giving them the same cultural heritage as Ester.
Rhythm: Ester is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.