Flossy sits next to 4 phonetic neighbors — Flossie, Josie, and Rosie are the closest matches by sound. Most share Flossy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flowering, flourishing"
"possibly from Clara, meaning bright and clear"
"moon (alternative etymology)"
"helmet, protection"
"of the Vandals"
"Wonder, miracle, something marvelous"
"ruler of the world"
"all wise, completely wise"
"bright, shining one (via Eleanor/Lenora)"
"wagon maker, wagoneer, carter"
"strong, healthy, vigorous"
"God is salvation"
Similar sound: These names share phonetic patterns with Flossy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin via English origins, giving them the same cultural heritage as Flossy.
Rhythm: Flossy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.