Giyana sits next to 4 phonetic neighbors — Gianna, Diana, and Giovanna are the closest matches by sound. Most share Giyana's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"noble meadow"
"Bright one of the meadow; combination of Lena (light, bright) and L..."
"blessing, miracle"
"black meadow clearing"
"born on Monday (day-name)"
"Blend of Dee and Asia; gift or joy"
"Night; dark beauty (elaboration of Layla)"
"noble, of noble kind"
"beautiful princess"
"beloved, of the sea"
"modern coinage, melodic invention"
Similar sound: These names share phonetic patterns with Giyana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Giyana.
Rhythm: Giyana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.