Rayhan sits next to 5 phonetic neighbors — Rehan, Rayan, and Raihan are the closest matches by sound. Most share Rayhan's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sweet basil, fragrant herb"
"patient, enduring"
"glorious, noble, honored"
"conviction, certainty"
"of good appearance and strong physique"
"one full of kindness and light"
"abundance, generosity"
"the green one, the verdant, the ever-living"
"the rightly guided one"
"complete, full"
"one who knocks at the door (of opportunity)"
"religious leader, marabout"
"leader, commander, chief"
"exalted, supreme"
"one who commands, leader"
"the path of God"
"growth, abundance, increase"
"lord, prince"
"right side, prosperity"
"ruler, king"
Similar sound: These names share phonetic patterns with Rayhan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Rayhan.
Rhythm: Rayhan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.