Lilly sits next to 4 phonetic neighbors — Lily, Lillie, and Millie are the closest matches by sound. Most share Lilly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower, purity"
"noble natured"
"flower name, antha suffix"
"precious green stone"
"defender of the people"
"powerful warrior woman"
"born in winter"
"woodland clearing"
"ivory white"
"of the Julian family"
"beautiful, soft"
"alive, full of life"
"God is my strength"
"cloud"
"banana plant"
"heavenly, of the sky"
"hidden, concealed"
"faith, trust, belief"
"flute player, pipe player"
"settlement by the leek garden"
Similar sound: These names share phonetic patterns with Lilly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin lilium origins, giving them the same cultural heritage as Lilly.
Rhythm: Lilly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.