Charley sits next to 5 phonetic neighbors — Charlie, Harley, and Barley are the closest matches by sound. Most share Charley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"free man, strong man"
"follower of Christ"
"calm, tranquility"
"lasting, enduring"
"God will save"
"new house (from Xavier root)"
"he judged, he governed"
"helped by God, God has helped"
"descendant of the fair one"
"God is gracious"
"noble and ready"
"pale, holy"
"descent, gentle"
"deep blue color"
"greatest stream (via Maxwell)"
"gracious defender"
"warrior, battle"
"strong as an eagle"
"wise protector from the valley"
Similar sound: These names share phonetic patterns with Charley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German (Karl) origins, giving them the same cultural heritage as Charley.
Rhythm: Charley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.