Liesel sits next to 5 phonetic neighbors — Liesl, Lisa, and Gretl are the closest matches by sound. Most share Liesel's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is an oath"
"little Mikhail, little Michael"
"water sprite, fairy of rivers and lakes"
"glorious ruler, strong leader"
"basement, storage room manager"
"triumph of the nation"
"love, affection"
"gracious, gentle"
"turban-shaped flower"
"pearl"
"brown-haired, dark complexioned"
"daughter of the sun, of the sun"
"life, living one"
"eagle"
"innocent, unblemished"
Similar sound: These names share phonetic patterns with Liesel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Liesel.
Rhythm: Liesel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.