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"
"youthful, downy-bearded"
"from Brittany, land of the Britons"
"lamp of God"
"exalted, ascending"
"marshy clearing"
"Tatas homestead, cheerful settlement"
"narrow channel"
"house of dates (fruit)"
"mistress, lady of the house"
"child of the moon"
"curly-haired, descendant of Caiside"
"pure"
"beautiful"
"peace"
"dark, rich (possibly referring to the dark Adriatic waters)"
"vine, climbing plant"
"moon goddess"
"traveler from a foreign land"
"light"
"tempest, stormy weather"
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.