Marianna sits next to 5 phonetic neighbors — Mariana, Marianne, and Arianna are the closest matches by sound. Most share Marianna's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace and drop of the sea (Maria + Anna)"
"meadow of quivering aspens"
"royal fortress meadow"
"tempest, stormy weather"
"exalted, my height"
"meadow clearing, heath clearing"
"my God is gracious"
"enduring, from the mace clan"
"bright, cheerful"
"completeness, wholeness"
"house of bread"
"free woman"
"pledged to God"
"wished-for child"
"heavenly garland, child of heaven"
"brilliant, intelligent"
"queenly dignity, regal bearing"
"clear, evident"
"mill worker, grinder"
"brightness, radiance"
"born on Christmas Day"
Similar sound: These names share phonetic patterns with Marianna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin/Hebrew compound origins, giving them the same cultural heritage as Marianna.
Rhythm: Marianna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.