Jill sits next to 3 phonetic neighbors — Jillian, Gill, and Jillie are the closest matches by sound. Most share Jill's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"youthful, child of the gods"
"member of the Gauts tribe"
"you are loved"
"pearl"
"gift from God (popular interpretation)"
"Emerald (folk etymology)"
"modern invented name; no fixed historical meaning"
"pledged to God, God is my oath"
"God is my rock"
"from the Adriatic Sea region"
"wealth belongs to God"
"energetic, powerful"
"The other Aenor (foreign)"
"star"
"radiant, shining light"
"lioness, brave as a lion"
"God has heard"
"goddess Savitri, divine solar figure"
"blooming, young green shoot"
"beloved, dear"
Similar sound: These names share phonetic patterns with Jill — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Jill.
Rhythm: Jill is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.