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)"
"blackberry"
"to flow down, descend"
"lyre, musical instrument"
"birthday (of the Lord)"
"good, fine"
"ewe by the lake, graceful"
"lady, queen"
"dark one"
"lovable, dear"
"half, partial"
"wide island; broad river-island"
"beautiful, graceful"
"rowan tree (mountain ash)"
"honey bee"
"noble type"
"dark-haired, dark"
"battle glory"
"bay laurel"
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.