Cayetana sits next to 4 phonetic neighbors — Catalina, Valentina, and Tatiana are the closest matches by sound. Most share Cayetana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of or from Caieta (Gaeta, Italy)"
"from the volcanic land"
"blessed spirit"
"innocence, purity"
"God is gracious"
"beloved, wished-for"
"water, spring"
"sister angel"
"palm tree (Jessenia genus)"
"industrious, vigorous, striving"
"divine gift"
"from Rome, Roman woman"
"rose-like, full of roses"
"high, elevated"
"light, luminous"
"of Trajan (Roman Emperor)"
"whole, universal"
"devoted to God"
"creative invented name; possibly a family honor name"
"literary creation; joyful, beloved"
Similar sound: These names share phonetic patterns with Cayetana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Cayetana.
Rhythm: Cayetana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.