Adele sits next to 4 phonetic neighbors — Adel, Adil, and Ardel are the closest matches by sound. Most share Adele's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble, nobility"
"gift of the ocean"
"renowned, called"
"a type of bird"
"princess, noblewoman"
"flower settlement"
"small, little"
"Our Lady of the Pillar (Marian title)"
"daylight, the day"
"botanical variant name"
"council friend"
"little raven"
"bright fame"
"the strait, narrow waterway"
Similar sound: These names share phonetic patterns with Adele — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German origins, giving them the same cultural heritage as Adele.
Rhythm: Adele is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.