Abdallah sits next to 4 phonetic neighbors — Abdullah, Abdulah, and Abdul are the closest matches by sound. Most share Abdallah's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"servant of God"
"plural of noor (light)"
"to thrive, to succeed, prosperous"
"judge, magistrate"
"the one who swallows (alternative etymology)"
"knight, horseman"
"merciful, compassionate"
"prince, commander, ruler"
"lion, strong and steadfast"
"perfect, complete"
"servant of the Merciful"
"great praiser of God"
"persecuted, afflicted"
"devout, pious, ascetic"
"praised one"
"grace, kindness"
"prosperity, abundance"
"increasing, growing, abundance"
"worthy of praise, easy living"
"blooming, flourishing"
Similar sound: These names share phonetic patterns with Abdallah — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Abdallah.
Rhythm: Abdallah is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.