Lillian sits next to 5 phonetic neighbors — Lily, Lila, and Liliana are the closest matches by sound. Most share Lillian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower, pure"
"gracious, dear, beloved"
"free woman"
"jasmine flower"
"descendant of the challenger"
"hay meadow, hay clearing"
"star that brightens suddenly"
"woodland clearing"
"exalted, sublime"
"shelter, sanctuary"
"from the boar meadow"
"work-power, powerful ruler"
"orange tree"
"night, dark beauty"
"wisdom, wise one"
"high, exalted"
"my father's joy, father rejoices"
"shelter, refuge"
"protector of mankind"
"each of the two"
Similar sound: These names share phonetic patterns with Lillian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lillian.
Rhythm: Lillian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.