Adaiah sits next to 4 phonetic neighbors — Adaya, Adaiah, and Adaliah are the closest matches by sound. Most share Adaiah's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ornament of God, God has adorned"
"devoted to God"
"very pure, very holy"
"whole, universal"
"God is abundance"
"verdant, fresh vegetation of spring"
"successful, beloved"
"something handed down, inheritance"
"horse-wave"
"small bouquet of flowers"
"little rock, harmony"
"bright, shining one"
"creative feminine variant of Kendal"
"God is gracious (via Jane/John)"
"my God is an oath, pledged to God"
"of Delos, born under Apollo's light (via Greek Delia)"
"to speak kindly, to order"
"free one, from France"
"rich, powerful"
"divine one"
"invented blend of Nash and Ashley"
Similar sound: These names share phonetic patterns with Adaiah — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Adaiah.
Rhythm: Adaiah is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.