Catalina sits next to 3 phonetic neighbors — Katarina, Carolina, and Angelina are the closest matches by sound. Most share Catalina's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pure"
"great mother, queen of heaven"
"vow to God"
"born at dawn or daylight"
"duck, waterfowl"
"island"
"mine, beloved"
"moon"
"precious green stone"
"of the Julian family (Gens Julia)"
"bringer of good news"
"the dawn goddess"
"defender of men; protector"
"youthful, downy"
"industrious, hardworking"
"born at dawn or daylight"
"free woman"
"God is my oath"
"divine messenger"
"priceless, beyond price"
Similar sound: These names share phonetic patterns with Catalina — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Catalina.
Rhythm: Catalina is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.