Adelia sits next to 5 phonetic neighbors — Adele, Adelia, and Adelie are the closest matches by sound. Most share Adelia's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble"
"joyful lake"
"gentle, beautiful"
"bright, shining one"
"grace, favor"
"beautiful eagle"
"poet, bard"
"worthy of admiration"
"modern invented combination name"
"little child, darling"
"Royal meadow clearing"
"blessed, happy"
"song, poem"
"phonetic initialism (J.C.)"
"immortal, eternal"
"God is gracious (via Gianna/Giovanni)"
"ascending, rising above"
"woman of power, female leader"
"from Siena, orange-red earth pigment"
"courageous, spirited (from Irish Raghallach)"
"forever flowering"
Similar sound: These names share phonetic patterns with Adelia — 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 Adelia.
Rhythm: Adelia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.