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"
"bright valley"
"to create; creation"
"duty, obligation"
"divine power, god-like"
"resurrection, new beginning"
"descendant of Freyr, little lord"
"possibly derived from jet (black gemstone) or speed"
"modern American coinage, unique creation"
"iron, strength"
"one who serves and learns"
"bearer of Christ"
"strength, authority"
"From the boar meadow; ever-lasting meadow"
"chalk wharf, limestone landing"
"freedom, rights document"
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.