Jean sits next to 4 phonetic neighbors — John, Gene, and Gian are the closest matches by sound. Most share Jean's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"from the river Blaan"
"chariot boy"
"chief, lord"
"spiritually reborn through baptism"
"one with a sacred name"
"of Mars, warlike"
"bounty, kindly, beloved"
"dweller by the willow"
"foreigner, Welshman (Celtic speaker)"
"belonging to Mars, the war god"
"God is gracious"
"attainer, one who gains"
"at the holly trees"
"little ancient one"
"YHWH has been gracious"
"from the Adriatic region"
"from the place Brodie in Moray, Scotland"
"powerful counselor (via Ronald)"
"prince, chief"
"divine protection"
Similar sound: These names share phonetic patterns with Jean — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via French origins, giving them the same cultural heritage as Jean.
Rhythm: Jean is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.