Julie sits next to 4 phonetic neighbors — Julia, Jules, and Juliette are the closest matches by sound. Most share Julie's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"youthful, downy-bearded"
"water lady, she who comes from the water"
"divine, moon goddess"
"supplanter, one who follows"
"messenger"
"joyful, merry"
"rival, eager"
"shining torch"
"land of mountains"
"rowan tree (mountain ash)"
"the great sea, vast waters"
"pure, clean"
"short form of Penelope"
"torture (early Greek form Aikaterine)"
"fairy queen, princess"
"island of wild boars (alternative etymology)"
"turbulent, passionate (figurative)"
"fertile place, place of abundant water"
"famous ruler"
"glorious sky, exalted heaven"
"noble, of noble kind"
Similar sound: These names share phonetic patterns with Julie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin-Greek origins, giving them the same cultural heritage as Julie.
Rhythm: Julie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.