Charley sits next to 4 phonetic neighbors — Charlie, Charlotte, and Harley 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 woman"
"heaven, the sky"
"grace, favor"
"strong woodland"
"flowing, streaming"
"wise protector"
"meadow near the birch trees"
"heavenly ocean, royal sea"
"beloved, wished-for child (from Hebrew Miriam via Mary)"
"shade, shadow"
"jazz music + beauty"
"peace (related to Ériu)"
"pretty, beautiful"
"handsome, comely"
"meadow dwelling"
"weapon, mace"
"sun"
"entire, all-encompassing"
"glory, fame"
"God is gracious"
Similar sound: These names share phonetic patterns with Charley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic 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.