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"
"lucky, fortunate"
"grace of God, king"
"interpreter, studious one"
"white, clear, bright"
"great, mighty, powerful"
"prosperity, long life, flourishing"
"abundant, bountiful"
"precious, worthy"
"peace, submission to God"
"counterpart, equal"
"God will increase, God will add"
"most highly praised, most commendable"
"eternal, immortal, everlasting"
"pleasant, amusing"
"may He add (another son)"
"God the highest (variant interpretation)"
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.