Lilliann sits next to 5 phonetic neighbors — Lillian, Lily, and Lilian are the closest matches by sound. Most share Lilliann's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"snow, frozen precipitation"
"deep valley dwellers"
"desired, wished for"
"modern coined name"
"noble woman of honor"
"from the Afton River"
"threefold, the Holy Trinity"
"whole, universal"
"joyful, full of joy"
"beloved"
"clear, bright, luminous"
"to esteem, to value"
"Christian woman"
"lily flower"
"thanksgiving to God"
"dweller by the lake"
"family, extended family"
"possibly exalted, praised (from -iyah pattern)"
"beautiful, graceful"
"greatest, largest (from Latin Maximus)"
Similar sound: These names share phonetic patterns with Lilliann — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lilliann.
Rhythm: Lilliann is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.