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"
"he shall live"
"gift of God, blessed one"
"open, beginning"
"speed, path"
"he will awaken"
"the pure and selected"
"one deserving of praise"
"one who endures forever"
"he who grows, prosperous"
"grace of God, king"
"song, nightingale"
"prosperity, surplus"
"sandalwood tree"
"God will add, He shall increase"
"God the highest (variant interpretation)"
"great, mighty, powerful"
"peace, submission to God"
"the praised one"
"counterpart, equal"
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.