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"
"resurrection"
"of the Cornelian gens"
"hardworking, industrious"
"faithful, devoted"
"modern American coinage"
"yew tree"
"cherry fruit"
"she who upholds goodness"
"vibrant, vivid"
"near to God"
"dark one"
"righteousness, equity"
"peaceful, beloved peace"
"rye clearing, meadow"
"dreamy, ethereal"
"Cambria, ancient name for Wales"
"May + Lee blend, spring meadow"
"rest, repose"
"modern blend of Dash + Lee, forward movement"
"born in May, spring-like"
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.