Lidie sits next to 5 phonetic neighbors — Lydia, Sadie, and Edie are the closest matches by sound. Most share Lidie's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Lydia (ancient region of Asia Minor)"
"from Leicester; possibly heavenly"
"bright, clear, famous"
"bright, famous"
"midsummer, summer solstice"
"of the Claudian family"
"God will add, God increases"
"prosperous friend"
"settlement of the Britons"
"washed, cleansed; or variant of Lavinia"
"star"
"meadow on a ledge"
"flowing, moving freely"
"short form of Lavinia"
Similar sound: These names share phonetic patterns with Lidie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Lidie.
Rhythm: Lidie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.