Esther sits next to 3 phonetic neighbors — Hester, Estelle, and Elspeth are the closest matches by sound. Most share Esther's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star"
"help, aid"
"free woman"
"fairy maiden, beautiful woman"
"oarsman"
"An English surname turned first name; popularized as a girl's name ..."
"star that brightens suddenly"
"ivy plant"
"From the Hebrew 'Delilah'; the biblical Delilah was the lover of Sa..."
"harp player"
"weary, delicate, languid"
"crowned one"
"night"
"land of the Aryans, noble"
"beautiful, torch"
"Gael, wanderer"
"Jupiter's child, Jove"
"breath of life, to breathe"
"flowing body of water"
"angel of the night"
"eighth"
Similar sound: These names share phonetic patterns with Esther — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian origins, giving them the same cultural heritage as Esther.
Rhythm: Esther is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.