Lea sits next to 5 phonetic neighbors — Leah, Lia, and Leigh are the closest matches by sound. Most share Lea's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"weary"
"pure, chaste"
"golden, of gold (d'or)"
"friend, companion"
"sweet, pleasant"
"fidelity, eternity (symbolic)"
"grace, favor, sweetness"
"noble ruler"
"sweet-faced, graceful aspect of Durga"
"God is gracious"
"grace, favor"
"mountain of whiteness"
"peace, peaceful"
"joyful, merry"
"meadow clearing (constructed modern name)"
"brightness, radiance"
"invented name; possibly related to 'life'"
"turbulent, passionate (figurative)"
"God is my oath"
"high tower"
"consecrated, honored"
Similar sound: These names share phonetic patterns with Lea — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Leah origins, giving them the same cultural heritage as Lea.
Rhythm: Lea is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.