Riyan sits next to 3 phonetic neighbors — Ryan, Rayan, and Ian are the closest matches by sound. Most share Riyan's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"full, satisfied, quenched"
"son of good fortune, favored son"
"one who rides horses"
"YHWH saves"
"glorious, sublime"
"unchanging, eternal"
"all, without gaps"
"one with beautiful hair"
"elaboration of Ahmad (most praised)"
"the absolute, undivided"
"son of the prince (elaborated form)"
"life force, prana"
"grace, elegance"
"Lion"
"pleasant companion, entertainer"
"freedom, liberation"
"worthy of worship, one who deserves respect"
"enlightened, bearer of light"
"part of an ancient royal one"
Similar sound: These names share phonetic patterns with Riyan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Riyan.
Rhythm: Riyan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.