Joelle sits next to 4 phonetic neighbors — Joel, Joelle, and Noelle are the closest matches by sound. Most share Joelle's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Yahweh is God"
"gentle horse"
"pure, precious gem"
"unique one"
"pledged to God, God is my oath"
"one who hears, listening"
"might in battle"
"completeness, wholeness"
"promised by God, given by God"
"violet flower, purple"
"noble, high meadow"
"ash tree meadow"
"white, blessed + peace"
"wished-for child, beloved"
"world-encircling river"
"manly, brave"
"vision of beauty, friendship"
"from Rome, strength"
"dark, black"
"weary"
"joyful"
Similar sound: These names share phonetic patterns with Joelle — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Joelle.
Rhythm: Joelle is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.