Lillyanne sits next to 4 phonetic neighbors — Lillian, Liliana, and Lily Anne are the closest matches by sound. Most share Lillyanne's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"bright, radiant"
"pure, clear"
"beautiful face/expression"
"well-mannered, polite, graceful"
"helpful one, descendant of the helpful one"
"beautiful, well-proportioned"
"may God protect"
"pure"
"pure, bright (from Katherine)"
"bitter, beloved"
"word, speech"
"miracle, wonder"
"God is gracious"
"variant of Delilah (night, amorous)"
"noble power"
"storm, gale"
"the proclaimer"
"variant of Cira or Cyra"
"God is my light"
Similar sound: These names share phonetic patterns with Lillyanne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lillyanne.
Rhythm: Lillyanne is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.