Lillia sits next to 4 phonetic neighbors — Lily, Lilia, and Lilliana are the closest matches by sound. Most share Lillia's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"without a superior, caring"
"grey color"
"sky meadow"
"true image, sacred icon"
"doorkeeper, gatekeeper"
"care, concern, protection"
"God is gracious"
"light, splendor, divine grace"
"God is my strength"
"peace, wishes"
"golden, made of gold"
"royalty, chief"
"work-ruler, powerful one; Emery's child"
"box tree meadow"
"modern compound of Ken + Lee"
"divine understanding"
"light, splendor, radiance"
"meadow, clearing"
"modern poetic invention with luminous feel"
"variant of Kinsley"
Similar sound: These names share phonetic patterns with Lillia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lillia.
Rhythm: Lillia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.