Selik sits next to 4 phonetic neighbors — Selick, Felix, and Salik are the closest matches by sound. Most share Selik's Yiddish/Old High German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"happy, blessed, fortunate"
"brave lion, lion-strong"
"time of peace, the appointed time"
"sensitive perceiver, artist of words"
"royal advisor, kingly counselor"
"fire, flame"
"place of destruction, the abyss"
"Lofty; exalted; high mountain"
"from the barley meadow (topographic)"
"fate, destiny, one's allotted share"
"river, water course"
"to buy, to trade, merchant"
"from the clay valley"
"Water of life; the distilled spirit drink"
"Possibly lion (from Levon/Leon) or a modern creative invention"
Similar sound: These names share phonetic patterns with Selik — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Yiddish/Old High German origins, giving them the same cultural heritage as Selik.
Rhythm: Selik is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.