Rosie sits next to 5 phonetic neighbors — Rosy, Roxie, and Josie are the closest matches by sound. Most share Rosie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"daughter of the sun (folk etymology)"
"heavenly, of the sky"
"wise person, prophet"
"myrtle leaf"
"noble, nobility"
"black, dark-colored"
"extraordinary wonder, divine act"
"goddess of the moon"
"bright, luminous"
"youthful; Jove's child"
"to open (spring)"
"musical concord, agreement"
"descendant of Riagan"
"star of the sea"
"heroine of God"
"God is my light"
"ruler of the household"
"defender, helper"
"Cattleya orchid flower"
Similar sound: These names share phonetic patterns with Rosie — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Rosie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.