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"
"angels, of the angels, divine messengers"
"grace, God has been gracious"
"God is gracious"
"good speech"
"beautiful, pleasant"
"noble and gracious"
"bright fame"
"priceless, of inestimable worth"
"from Lourdes, place of miracles"
"gracious, dear, beloved (via Slavic mila)"
"dark one, man from the dark sea"
"nickname of affection for G-names"
"God is gracious"
"God is gracious"
"noble, nobility"
"symbol of peace and wisdom"
"gentle strength, strong worker"
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.