Abdullah sits next to 3 phonetic neighbors — Abdul, Abdullah, and Abdalah are the closest matches by sound. Most share Abdullah's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"slave of Allah"
"generous, noble, honorable"
"precious, worthy"
"pure, without blemish"
"God is truly God"
"source of joy"
"grace of God, king"
"conscience, inner self"
"gift"
"silver, shining"
"one deserving of praise"
"one who endures forever"
"triumphant, victorious"
"God the highest (variant interpretation)"
"interpreter, studious one"
"prince, commander, ruler"
"the pure and selected"
"prosperity, surplus"
"counterpart, equal"
"honorable, bountiful"
Similar sound: These names share phonetic patterns with Abdullah — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Abdullah.
Rhythm: Abdullah is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.