Lesli sits next to 5 phonetic neighbors — Leslie, Lesley, and Kelsey are the closest matches by sound. Most share Lesli's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"garden of holly"
"white ring, blessed ring"
"fire, strength"
"grace, favor (from Ana/Anna)"
"the tulip flower"
"God is gracious"
"life"
"beautiful, gentle, precious"
"little honey, sweet one"
"the Milky Way, vast star system"
"from Brittany, France"
"one who is reborn"
"to give thanks, to be grateful"
"crowned with laurels"
"glowing breeze"
"lake, waterfall, pool"
"son of Stephen"
"creative respelling of the natural science"
"peaceful, safe"
"descendant of Ceanneidigh"
"black, dark"
Similar sound: These names share phonetic patterns with Lesli — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Lesli.
Rhythm: Lesli is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.