Cylas sits next to 4 phonetic neighbors — Silas, Cyrus, and Miles are the closest matches by sound. Most share Cylas's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the forest, woodland dweller"
"passion, zeal (from root name Rhys)"
"one who possesses, nest-maker"
"of the moon, lunar"
"God has remembered"
"son of Jan (John)"
"short form of Tyler or Tyson"
"divine peace, God's peace"
"one who deals in coal"
"to thrive, to succeed, prosperous"
"son of Tay"
"bold, brave, daring"
"dedicated to Mars (god of war)"
"stone-like, hard, steadfast"
"named after the Parisii Gallic tribe"
"rescuer, redeemer"
"one of a kind, without equal"
"God is gracious"
"meadow by the stream"
"son of Dax"
"son of Rhys, son of the ardent one"
Similar sound: These names share phonetic patterns with Cylas — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (Silvanus) origins, giving them the same cultural heritage as Cylas.
Rhythm: Cylas is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.