Klaryssa sits next to 3 phonetic neighbors — Clarissa, Larissa, and Melissa are the closest matches by sound. Most share Klaryssa's Polish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"clear, bright, famous"
"gentle, beautiful"
"summer; from Therasia island"
"Noble, of noble birth"
"ahead, forward"
Similar sound: These names share phonetic patterns with Klaryssa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Klaryssa.
Rhythm: Klaryssa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.