Rayyan sits next to 3 phonetic neighbors — Ryan, Rayan, and Rahman are the closest matches by sound. Most share Rayyan's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lush, well-watered, abundant"
"forest, garden"
"kings (plural)"
"the prophet Jonah"
"cedar tree, resinous wood"
"to love"
"luck, fortune (from Gad)"
"morning star, night visitor"
"gift of God, divine blessing"
"sword"
"excellent, virtuous"
"the auspicious dark one"
"charitable, good, virtuous"
"Yahweh remembers"
"the refreshing one"
"crown"
"certificate of authenticity"
"ancestor of northern Arab tribes"
"my God is Yahweh"
"life-giving"
Similar sound: These names share phonetic patterns with Rayyan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Rayyan.
Rhythm: Rayyan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.