Jelaine sits next to 4 phonetic neighbors — Elaine, Jolene, and Janine are the closest matches by sound. Most share Jelaine's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shining bright, torch (from Elaine/Helen)"
"feminized form of Burl with melodic -line suffix"
"dear friend"
"born in spring (from Latin verna variant)"
"resolute protector"
"little Jon, feminine form of Jon"
"elf counsel (via Alfrid)"
"joyful round song"
"little joy, dear song"
"God will increase; from a wooded valley"
"lake, pool"
"Island (from the Scottish island of Tiree)"
"tuft, bump, rounded protrusion"
"joy, bliss"
"Variant of Joan/Joanne, from Hebrew Yohanan meaning God is gracious..."
"the dawn, daybreak"
"night"
Similar sound: These names share phonetic patterns with Jelaine — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Jelaine.
Rhythm: Jelaine is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.