Azalea sits next to 4 phonetic neighbors — Amelia, Dahlia, and Camellia are the closest matches by sound. Most share Azalea's New Latin (botanical)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"azalea flower"
"eternal, immortal"
"divine messenger, thought"
"mild, merciful, gentle"
"friendly one, ally"
"light, illumination"
"beloved, exalted crown"
"entire, all-encompassing"
"goddess of spring"
"olive tree"
"pearl"
"free woman"
"to flow down, descend"
"ring of light"
"sea warrior"
"protector of men"
"grace, favor"
"Gael, wanderer"
"fate, predetermined course"
"marsh flower"
"battle glory"
Similar sound: These names share phonetic patterns with Azalea — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have New Latin (botanical) origins, giving them the same cultural heritage as Azalea.
Rhythm: Azalea is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.