Cyril sits next to 3 phonetic neighbors — Cyrus, Cecil, and Carl are the closest matches by sound. Most share Cyril's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lordly, masterful"
"payment, brow, forehead"
"divine peace, God's peace"
"enclosed pasture by a river"
"strong, virile, masculine"
"crown, wreath"
"goodness of God"
"brushwood town"
"fair outlook"
"strength, power"
"wagon driver, cart maker (from Old English Wayne)"
"wealthy guardian"
"peaceful ruler, peaceful power"
"honorable"
"arbitrator, decider"
"little slender one"
"son of Hugh"
"invented modern blend name"
"one who strikes, striker"
"God is gracious"
Similar sound: These names share phonetic patterns with Cyril — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Cyril.
Rhythm: Cyril is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.