Jules sits next to 3 phonetic neighbors — Julie, Joules, and Jewels are the closest matches by sound. Most share Jules's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Youthful, downy-bearded"
"free woman, strong one"
"diminutive of Philippa/Filippa"
"transparent, pure, sparkling"
"lord have mercy (liturgical phrase)"
"worshipful devotion"
"of the mind, intellect"
"creative form of Ellery"
"fortified hill"
"protected city"
"son of Nicholas"
"Great land, the mainland"
"high, exalted, sublime"
"beautiful altar"
"Grace, favor"
"pearl"
"dear little Ana, gracious one"
"bright clearing by the hazel"
"descendant of Riagán"
"paradise, garden of heaven"
"dignity, esteem, reputation"
Similar sound: These names share phonetic patterns with Jules — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Julius possibly from Iulus origins, giving them the same cultural heritage as Jules.
Rhythm: Jules is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.