Charm sits next to 4 phonetic neighbors — Carmen, Charmaine, and Harmony are the closest matches by sound. Most share Charm's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"song, chant"
"from the island of Thera"
"anointed one"
"blind, heaven's gate"
"bright serpent, wise one"
"graceful beauty"
"she who brings peace"
"entire, complete"
"light, bright, shining"
"a falling, a flowing"
"from the ash tree farm"
"hay field"
"combination of grace and devotion"
"God is my oath"
"divine queen"
"Jewish woman"
"vast, empty landscape"
"slender"
"burnt woodland clearing"
Similar sound: These names share phonetic patterns with Charm — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Charm.
Rhythm: Charm is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.