Daiana sits next to 3 phonetic neighbors — Diana, Dianna, and Dayana are the closest matches by sound. Most share Daiana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine, heavenly"
"pearl (via Mia/Maria)"
"noble kind, of noble birth"
"noble Mary, radiant beloved"
"illusion, magic"
"of Trajan (Roman Emperor)"
"blessed spirit"
"beloved"
"noble beauty"
"table"
"near the water/river"
"the color blue"
"of the Antonii family, Roman noble"
"devoted to the earth"
"joy, delight, happiness"
"of the Livius family; belonging to Livia"
"good, honorable, noble"
"pledge, surety"
"blessed, happy (as nickname for Beatriz)"
Similar sound: These names share phonetic patterns with Daiana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Daiana.
Rhythm: Daiana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.