Rosario sits next to 4 phonetic neighbors — Rosaria, Rosalie, and Rosa are the closest matches by sound. Most share Rosario's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rosary, garland of roses"
"evening star"
"gracious gift of God"
"comely, lovely"
"dark one, man from the dark sea"
"gracious gift"
"lily flower"
"age, period of time"
"creative feminine form combining Julia and -issa suffix"
"God is gracious"
"feminine form of Charles/Carlos"
"clay, earth (Etruscan root)"
"grace, favor from God"
"born at dawn, of the light"
"beautiful, lovely"
"sparkling, clear gem"
"horn (from Cornelia)"
"high, exalted grace"
"my God has answered"
"from Lourdes, place of miracles"
Similar sound: These names share phonetic patterns with Rosario — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Latin origins, giving them the same cultural heritage as Rosario.
Rhythm: Rosario is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.