Missy sits next to 4 phonetic neighbors — Melissa, Cissy, and Sissy are the closest matches by sound. Most share Missy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"honey bee"
"to tame, subdue"
"smiley, cheerful"
"radiant one"
"luminous, brilliant"
"Silver, bright, pure"
"corn meadow (maize + ley)"
"bright, shining light"
"victory, triumph"
"Where is the prince? Not exalted"
"noble and gracious"
"Fierce protector with noble bearing"
"moon, moonlight"
"defender of men"
"pretty, lovely"
"friend, beloved"
"the bright one"
"birdlike, graceful"
"heavenly (folk reinterpretation)"
"noble strength"
"ivy plant, fidelity, eternal life"
Similar sound: These names share phonetic patterns with Missy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Missy.
Rhythm: Missy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.