Alanna sits next to 3 phonetic neighbors — Alana, Lanna, and Elena are the closest matches by sound. Most share Alanna's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little child; dear child (endearment)"
"flowering, blooming"
"magnolia flower"
"variant of Mary (beloved, bitter)"
"the moon"
"Paega's town, farmstead settlement"
"curly-haired"
"song, musical tune"
"hidden, concealed"
"lovable, dear"
"beautiful, torch"
"friend, companion"
"exalted, sublime"
"from Milan; from the middle plain"
"beloved, much loved"
"messenger of God; angel"
"God answered"
"bright, clear"
"high, exalted"
"of the night, night monster"
"small bird (the wren)"
Similar sound: These names share phonetic patterns with Alanna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Alanna.
Rhythm: Alanna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.