Raslan sits next to 3 phonetic neighbors — Arslan, Ruslan, and Declan are the closest matches by sound. Most share Raslan's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lion"
"descendant of Freyr, little lord"
"bright valley"
"to rise up, come forth"
"iron strong"
"freedom, rights document"
"little iron one, iron-hearted"
"earnest effort, striving"
"to create; creation"
"bearer of Christ"
"fictional villain name from The Witcher"
"winding stream, crooked well"
"My God is He"
"divine power, god-like"
"possibly derived from jet (black gemstone) or speed"
"chalk wharf, limestone landing"
"modern American coinage, unique creation"
Similar sound: These names share phonetic patterns with Raslan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Turkic origins, giving them the same cultural heritage as Raslan.
Rhythm: Raslan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.