Duaa sits next to 4 phonetic neighbors — Dua, Deva, and Doha are the closest matches by sound. Most share Duaa's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"prayer, supplication"
"shining, radiant"
"beautiful, elegant"
"elevated, high, noble"
"river in paradise"
"harbor, port"
"pure, peaceful"
"immortal, eternal"
"battle (alternate Germanic etymology)"
"from the Quranic chapter Ya-Sin"
"rebelliousness, bitterness"
"arrows"
"high, exalted"
"moons image on water"
"soulful, pertaining to the spirit"
"sapphire; dark blue"
"innocent, spotless"
"type of flowering plant (possibly jasmine)"
"fragrant flowers"
Similar sound: These names share phonetic patterns with Duaa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Duaa.
Rhythm: Duaa is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.