Charlie sits next to 4 phonetic neighbors — Charlee, Charli, and Charlotte are the closest matches by sound. Most share Charlie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"free man"
"royal clearing"
"time, death, transformation"
"supernatural power"
"island"
"woman of honor"
"bright, shining light"
"song, tune, music"
"silver"
"wisdom, wise one"
"symbol of purity and rebirth"
"great mother, earth goddess"
"faithful wife"
"helmeted chief"
"help, aid"
"from Latin papaver (poppy plant)"
"birdlike, resembling a bird"
"battlefield, clearing"
Similar sound: These names share phonetic patterns with Charlie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Charlie.
Rhythm: Charlie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.