Katalyna sits next to 3 phonetic neighbors — Catalina, Katarina, and Katalina are the closest matches by sound. Most share Katalyna's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pure, unsullied"
"Basque feminine name, possibly 'noble lady'"
"hope"
"youthful; downy"
"my God is an oath, pledged to God"
"dedicated to Mars, martial"
"white, bright"
"tranquility, serenity"
"thanks, gratitude"
"purity, beauty, grace"
"daughter of Briseus"
"from Jessenia palm genus"
"nobility, of noble descent"
"grace, favor"
"drop of the sea"
"dear rose"
"gift of God"
"God with us, divine presence"
"noble, noble kind"
Similar sound: These names share phonetic patterns with Katalyna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Katalyna.
Rhythm: Katalyna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.