Lilianna sits next to 4 phonetic neighbors — Lilliana, Lily, and Liliana are the closest matches by sound. Most share Lilianna's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"gracious, kind"
"gem, jewel"
"near, close"
"gentle, branch, to draw water"
"pure"
"dear, beloved, darling"
"hope"
"independent one"
"gift of God (variant of Maisie/Matthew)"
"luminous, brilliant"
"friend, friendly"
"lord"
"the Maiden"
"peace (related to Ériu)"
"dear to Saturn"
"from Arcy (Norman French place name)"
"wise protector"
"woodland clearing"
"jovial, cheerful, good-humored"
"variant of Jackie or Casey"
Similar sound: These names share phonetic patterns with Lilianna — 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 Lilianna.
Rhythm: Lilianna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.