Lilli sits next to 4 phonetic neighbors — Lily, Lilly, and Lillie are the closest matches by sound. Most share Lilli's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"fertile land, place of plenty"
"of noble character and power"
"lawsuit, judgment"
"woman from Magdala, tower"
"star"
"cassia, cinnamon spice"
"gracious gift"
"faithful, devoted"
"dark-haired, dark"
"lake, beautiful"
"God will add, God is gracious"
"cheerful, merry, joyful"
"young ceremonial attendant"
"eternal ruler"
"little dark-haired one"
"soft, tender"
"mighty in battle"
"shrewd, clever, knowledgeable"
"wise protector"
"heavenly flower, lei of heaven"
Similar sound: These names share phonetic patterns with Lilli — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lilli.
Rhythm: Lilli is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.