Ortensia sits next to 4 phonetic neighbors — Hortensia, Hortense, and Artemisia are the closest matches by sound. Most share Ortensia's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the garden, garden woman"
Similar sound: These names share phonetic patterns with Ortensia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin hortus meaning garden origins, giving them the same cultural heritage as Ortensia.
Rhythm: Ortensia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.