Jeannette sits next to 4 phonetic neighbors — Jeanette, Annette, and Lynette are the closest matches by sound. Most share Jeannette's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"gracious, favored by God"
"precious gem"
"amber jewel"
"bright, radiant"
"ruler of elves (via Avery)"
"son of Jack"
"son of Adam, earth (from Addison)"
"supplanter, one who follows at the heel"
"elevated place"
"son of Matthew, gift of God"
"my God is abundance"
"clearing belonging to Ann"
"grace, favor"
"pledged to God"
"life (from Eva + creative suffix)"
"from Kay and Lee combination"
"arrow maker, one who makes arrows"
"ninth"
"noble, of noble birth"
"life"
Similar sound: These names share phonetic patterns with Jeannette — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Yochanan origins, giving them the same cultural heritage as Jeannette.
Rhythm: Jeannette is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.